Car Idling High While Driving


[Inquiry:] I have had my Volvo 760GLE for over a year. Try idling your truck and placing a large 110v electric fan in front of the condenser core to supplement the engine driven fan and see if it blows cold. A car that stalls while you're driving is a dangerous situation no matter where it happens. It's not hot, but it is warm. Turn your car off and save some gas while sitting in congestion. TPR sensors seem to always be in a. Others, such as this police officer, claim more - a half-gallon per hour, at idle. When the engine idles, there will usually be a misfire that you can feel just from holding onto the steering wheel. If the steering wheel feels ordinary while you're driving straight but starts to shake around a curve, this may signal worn out tie rod ends. The number one cause for high idle is an imbalance in air pressure. so then i adjusted the tps properly and its not doing it but i didnt drive it for very long. RPms at from 2000 t0 3000 - Buick 2005 Rendezvous question out white smoke It doesn't smoke anymore while driving My idling is high to. One the engine is working harder so it warms up faster. The long-held notion that you should let your car idle in the cold is only true for carbureted engines. D-Jetronic Idle Stability If you want to get the owner of a car with D-Jetronic to really open up and talk to you, just ask them "How is the idle on your car?", and stand back! Getting a car with D-Jetronic to idle stably under varying operating conditions is pretty much the Holy Grail of D-Jetronic tuning. It has been like this for a while and has got worse recently. The dealer then said they reinitialized the computer. Leaving your engine running consumes gasoline. A Queens city councilwoman, Elizabeth Crowley, wants to increase the fine to $250, spurred in large part by two high-profile. I finally caught it with a scan tool while it was process of high idling and found a parameter in the data list that stated TPS at Idle with a yes/no answer, the paramerter read NO and the throttle plate was fully closed. Some parts that the rubber vacuum hoses go to could be leaking vacuum. well i got my car back and they said it was the map sensor and the sound symposer valve, they replaced both. Once I get up and go out on the road, the AC will shut off no matter what the throttle setting. An engine that is idling too high may be caused by a faulty idle air control motor valve that has completely failed or that has simply become weak and is not functioning correctly. 3 - high idle/code 21 Results 1 to 3 of 3 Discuss 1990 S10 4. Let’s go through some of the reasons why your car shakes or vibrates while idle and how to fix them:. 2 16V Expression 5d 2001, it's in a pretty good condition but there is one major problem with it; Sometimes when I'm driving along, the revs will suddenly go really high and then go back down to normal without any change to the speed. The long-held notion that you should let your car idle in the cold is only true for carbureted engines. Thunder game Friday night with my wife for our Christmas and when I got into OKC near the Cheasepeak Center all that stop and go traffic I noticed my car started getting hotter then I've seen it before. Currently it has 214K miles. Then it shuts off when I open the door. Four ways to be idle-free. Re: car hesitates/jerks while driving Sign In it feels like a delay in accelteration. However, rough idling, which is the shaking or vibrating of a car while idle indicates that there possibly is something wrong with the engine. Idle while driving. While it won’t damage your car, using batteries with a higher or lower capacity can affect the performance of the car. but when im. My Car Shakes While Idling – What now? Your car should run smoothly, whether moving or stopped. first, it would start doing it here and there if she's been driving around and then put it in park. After departing for home, stopped at a rest area, left the MINI idling while friends gassed up. When driving with the throttle closed Rover Gauge indicates that the IACV is opening allowing extra air to enter manifold and excessively increasing idle. Turned off the car, waited for it to cool, opened the coolant tank, level looked OK (but it was hard to tell--the coolant was rather dark, and the. Of all the Japanese cars I've driven they all do the same thing, idle about 2000 for a minute or so. I replied to another thread here yesterday talking about how only on cold starts while idle is high does it the car shake for a second when going from park to reverse. Rough Idle / Misfire. to/2QBkgrN This video explains how I fixed a high idle problem with tape and a screwdriver. I drive a '96 Nissan Sentra GXE with about 50,000 miles on it. In fact, idling for just 10 seconds wastes more gas than restarting the engine. Therefore, your insurer will ask you about your age, marital status, gender, your credit score, and your driving history. With the high idle not occurring until after the vehicle has been heated up, it appears there may be a heat related fault such a sensor reading improperly once it gets hot, or an intermittent issue with the IAC sticking sometimes. Exhaust also exacerbates asthma and allergies. TPR sensors seem to always be in a. Leaving your engine running consumes gasoline. Turn off the car if stuck in traffic. but sometimes it takes entirely too long and too much gas to get it to move faster. I guess they decided that the car made that sound (if indeed it really did, or if it was just in my mind) because it was extremely hot that day and the A/C was running non-stop while I was driving on the highway at high speeds. The truth about idling your car is that it's not only wasteful, it can actually be harmful to your engine. Many different problems could result in a rough idle for your car or truck, including: dirty fuel injectors, clogged air filters, bad spark plugs, and a variety of exhaust system issues. so then i adjusted the tps properly and its not doing it but i didnt drive it for very long. I've let it idle up to an hour and it still was working. When the engine idles, there will usually be a misfire that you can feel just from holding onto the steering wheel. and while driving is possible, putting any load. I tried rotating the wheel on the hub to make it work but since it's a 9. However, rough idling, which is the shaking or vibrating of a car while idle indicates that there possibly is something wrong with the engine. When you're driving, few things will get your attention more quickly than an unexpected change in the normal smooth running of your vehicle's engine. This wore down the battery, so I got it jumped and tried to drive it to a repair shop but it died while I was driving it, so I got it towed to the shop. The AC on my 2008 2. Dirty fuel injectors. The oxygen sensor will detect the extra oxygen that is entering the engine through the vacuum leak and will signal the computer the exhaust is lean. The noise goes away when I accelerate and when I switch to park while engine is still running Another issue I have with my car is there's white smoke coming out while driving and it only happens occassionally at least. Let’s go through some of the reasons why your car shakes or vibrates while idle and how to fix them:. The pulse-and-glide strategy is proven to be an efficient control design both in car-following and free-driving scenarios, with 20% fuel saving. When at a stop, it will rev up to 1500 RPM and when I let of the brake, it will go on its own. While modern cars are more reliable than ever, they still need regular maintenance and many motorists don’t notice a needed repair until something changes, particularly how the car sounds. " It's a common misconception that turning your engine off and on again uses more fuel than leaving your car idling. My Toyota has a hesitation while driving occasionally and idling high in park 2 Answers. Intermittant engine misfire, car will shut engine off while driving or ramp up rpm causing car to jerk forward. Sometimes, while driving, the engine will start to race, and the car refuses to slow down. The power brake booster diaphragm can rupture. The idle is stable when first started but then starts to “surge”after about 3 minutes. If your turbo is fragile because of cost-cutting or design defects, it's all the more vulnerable to premature wear. When the engine is racing, my friend has to step on the brakes very hard to get the car to slow down. Car revs high when driving 12 Answers. 2 16V Expression 5d 2001, it's in a pretty good condition but there is one major problem with it; Sometimes when I'm driving along, the revs will suddenly go really high and then go back down to normal without any change to the speed. The jerk is about every 4 seconds, not constant jerking. i have a a bad control valve right now on my car (im just too lazy to get right on it. Try idling your truck and placing a large 110v electric fan in front of the condenser core to supplement the engine driven fan and see if it blows cold. An engine that is idling too high may be caused by a faulty idle air control motor valve that has completely failed or that has simply become weak and is not functioning correctly. My engine light comes on while driving and starts flashing and runs rough? Why does engine rpm increase while car is in high speed, when we downshift? Should you leave the car engine in idle for a while before turning it off after a long drive?. Show your mechanic that area. Of all the Japanese cars I've driven they all do the same thing, idle about 2000 for a minute or so. Car Care: Chris Garman explains why your car engine might begin to surge while idling. In order for a car to operate efficiently, it needs to regulate the correct flow of air, fuel and compression. With the high idle not occurring until after the vehicle has been heated up, it appears there may be a heat related fault such a sensor reading improperly once it gets hot, or an intermittent issue with the IAC sticking sometimes. Could any one help i will be very greatful. The egine was also cutting out while idling at stop signs/traffic lights. 3 gallons per hour is a better figure. Letting your car idle while in park might not seem like a big deal. My Car Overheats in Idle & Cools Down When Driving by Richard Rowe The good news is that your problem could only be one of a few things; the bad news is that the faults involved could have several causes, and you'll need to track the problem down before you can fix it. It idles super smooth and accelerate nicely. The flickering is a result of voltage surges. when in park the car idles up to 3 rpm then goes down to one if I tap the gas it goes to 2 for a while then goes back down what is wrong and what do i have to fix. But when I drive the car down the road it begins to run very warm( check gauges and the check engine light came on) so I stop at the side of the road. Average failure mileage is 110,950 miles. Driving a dirty car - This one is a little contentious but corrosion takes effect more easily on a car which is covered with a layer of dirt. The idle should then drop on its own or if reved to a high rpm. When driving at slower speeds or idling, the AC blows warm air. My 2004 Nissan Sentra one day decided that, after five minutes of idling, it would just die, and it would start up again, and then die. Contrary to popular belief, restarting your car does not burn more fuel than leaving it idling. it's best to try to narrow down when the problem is occurring, whether it's when driving, braking, idle, or in park as well as the general area the vibration is coming from. Not violently revs, no check engine lights, nothing. Currently it has 214K miles. While the car doesn't snap your neck or pin your body to the seat when the turbo kicks in (like my 328iX), it is very satisfying. Car is high idea when started with remote start. It has also randomly died a couple times while driving at 30-40mph but then immediately restarted as if there was no problem. When I turn the car off and start it back up and don't turn the AC on at all, everything is 100%. It means that the whole exhaust system is covered with moisture inside. Let’s go through some of the reasons why your car shakes or vibrates while idle and how to fix them:. 0 liter engine, the idle speed should range from 500 to 800 rpm. The car over-heats while driving faster and cools when driving slower but still stays at the half-way point on the gauge. The engine produces incredible torque; which I feel throughout the power band. The flickering is a result of voltage surges. Car Idle Alarm Helps You Stop Wasting Gas While Tweeting 79 thoughts on " Car Idle Alarm Helps You Stop Wasting Gas While Especially in the city when you might be only driving <10km per. While driving it's started to rev up and then it will get stuck on two or three so even when I'm completely pressed down on the break it's still revved up to 2 or 3 and if I then put it in park it will even rev up to 3-6 while in park. You can shut the car down, or leave it running. When the ignition switch is worn down, there can be a loss of power to the engine because of vibration like hitting a rough patch of road. As you can see, many different systems cause a high idle condition. Once in drive they fall back to the normal range, but the dang thing nearly wants to drive itself!. If you've been waiting in bumper-to-bumper traffic at a dead stop because of an accident, it's safe to say you're not going anywhere anytime soon. My Car Overheats in Idle & Cools Down When Driving by Richard Rowe The good news is that your problem could only be one of a few things; the bad news is that the faults involved could have several causes, and you'll need to track the problem down before you can fix it. 2 16V Expression 5d 2001, it's in a pretty good condition but there is one major problem with it; Sometimes when I'm driving along, the revs will suddenly go really high and then go back down to normal without any change to the speed. has a problem. Longer time leaving your engine running causes more motor oil to be circulated and burned up. Since then the car has randomly stalled while driving in houston, merging onto the freeways, while driving in stop and go traffic and while driving at slow speeds. Some of the most common causes for a car's stalling whilst driving include: a poor idle speed control, or ISC, system, low fuel pressure, loss of ignition and vacuum or EGR leaks. If your car is in good mechanical condition this is not necessary. We had a plastic throttlebody and we reckon it was warping with the heat when idle and jammed the vavle open, when it cooled down it obviously returned to normal. Idling is, in fact, the. Stalling is caused by a loss of air, fuel, or electricity while the engine is running. , And i thought 90% of all manual cars had a high idle step, my truck does it. Each of these is used to estimate your driving behavior. I've noticed that while drivingnat a stable speed, for example, 50mph at 2k rpm, the car slightly revs up and down. If I turn the car off while its making the sound, then it kinda makes a sound similar to when you slowly let air out of an inflated balloon while pinching the piece in which you. And turn on the air and it smothers out. because the rpms surge even when the car is in neutral. I have heard if it's really cold you should let any car idle for like 30 seconds before driving. The power brake booster diaphragm can rupture. In regards to why the car's enging temp rises at idle is quite simple. ok so after driving it all day today with the high idle i let it sit for alittle while and cool down. A Queens city councilwoman, Elizabeth Crowley, wants to increase the fine to $250, spurred in large part by two high-profile. While test driving my car after the installation of the SD Corso Feroce Steering Wheel I notice the turn signals won't cancel after a turn. If it shakes while it idles, you could be in for a visit to the mechanic. my car still is not acting right and the idle still fluctuates quite a bit. 0 for a while. You’re the most familiar with how your car is supposed to sound, so any new, unusual sound should be a call to action to contact a trusted auto repair pro. so it's compensating by. When it suddenly dies, you must be ready to do more than pop the hood and stare blankly. For example, if you live right at the entrance to a super highway, it would be a good idea to let the car idle for five minutes before getting on the highway and driving at 55 mph. My car is been having rough idles this few weeks, and at times, while I'm driving the car, the engine would start to hesitate, runs very rough like it is misfiring or something. It can be quite exhausting holding onto a steering wheel that's shaking. Engine idling slightly higher and it revs itself at rest. 5 Reasons Why Idling Your Car Is Bad All the cash spent on fuel that was used up while the car was idling. The long-held notion that you should let your car idle in the cold is only true for carbureted engines. So far, I have not been able to tie the issue to outside temp. Below are the top 7 causes of car shakes when idle, accelerating, driving, and braking. I drive a '96 Nissan Sentra GXE with about 50,000 miles on it. Then it shuts off when I open the door. This is usually between 150ºand 180º depending on the vehicle. My car is been having rough idles this few weeks, and at times, while I'm driving the car, the engine would start to hesitate, runs very rough like it is misfiring or something. It happens only when the car is warm, say 10-15 minutes after driving. Modern engineering has made driving a car easier on the ears than ever. It first started while idled at a stop light. It is my understanding there is a fix for automatics but not for manuals like mine. It started out doing it every once in a while but has progressively got worse to the point it does it every time I come to a stop, after it gets up to temp. Heat causes expansion. As i'm slowing down to make the turn, all the indicator lights in the dash all switch on and the engine just turns off!!!. Otherwise, it runs normally under load. My next test was with the engine off, in neutral and slowly rolling down my driveway. It will want to accelerate on its own after I drive it a while, the idle revs up prety high, etc. ok so after driving it all day today with the high idle i let it sit for alittle while and cool down. So, I've been experiencing a higher than normal idle for the past few months when stopped at a light. 3gp - YouTube I also noticed that while the car is in Drive and moving at slow speeds, it's like someone is pushing it from behind and if I take my foot of the brake it gathers quite a lot of speed, to almost 40 km/h without accelerating !!! Here is an example: Speed gain in "Drive" without accelerating. Now that it's cold, if I drive for a distance of 20 miles or so it is starting to rev up really high when I put it into park! It also will be revving while I'm driving it, which is a bit unnerving! I can get it to go about 40 without touching the gas at all. com Please bookmark us Ctrl+D and come back soon for updates! All files are available in both Wav and MP3 formats. As a matter of fact, allowing your car to idle for two minutes is equivalent of driving a mile. As long as the engine is running, even if it's only idling, the alternator continues to charge your battery, albeit a lot slower compared to when you're driving. When its level goes lower than the acceptable level, you will face the issue of car air conditioner not blowing cold air when idling. Express Auto Inspections says: While modern vehicles use a fuel injector system to burn gas, many older cars use a carburetor to process fuel. If it shakes while it idles, you could be in for a visit to the mechanic. You're the most familiar with how your car is supposed to sound, so any new, unusual sound should be a call to action to contact a trusted auto repair pro. I don't know how the problem came about because the car was sitting for months before I got ahold of it. A car that stalls while you're driving is a dangerous situation no matter where it happens. When it reaches operating temp, idle is 30 psi. It first started while driving on the highways. Not violently revs, no check engine lights, nothing. Car "just dies" while driving. Looks like the cruise control is engaged. This commonly occurs when drivers are stopped at a red light, waiting while parked outside a business or residence, or otherwise stationary with the engine running. The idle RPM of a car depends on the type of engine your car has. just did an oil change recently, brand new spark plugs, checked pcv valve (still good). Driving the vehicle at this high an idle would be risky, and recalling codes is easily enough accomplished, so i can run it or start it many times to replicate the codes but i have already done so. 1998 Jeep Cherokee Sport Shuts off While Idle/Driving Last week my 1998 Jeep Cherokee Sport 4. If your car is in good mechanical condition this is not necessary. Also, after I stopped briefly to make a turn, when I pressed on the gas pedal it took about four seconds before the car would accelerate properly. This will ensure that the engine is completely warmed up and you will be able to adjust the idle properly. then if i give it more gas it will go. When my car is idling the engine temp. The high idle after start up is one of Toyota's way of reducing emission. If i put the car in neutral, idle it or even park the car the temp immediately starts cooling down. Car Dies While Idling but Restarts Later: The Reasons. As you can see, many different systems cause a high idle condition. My Toyota has a hesitation while driving occasionally and idling high in park 2 Answers. It only cools off if I am continuously driving. Here are a few of them: Possible damaged O2 sensors This one falls under the 'idling' category. trying to get the bolts out of the throttle body while it's in situ can be a PITA if you're prone to dropping bolts into the. But other times idling is unnecessary. my 2005 GMC sierra always used to blow ice cold, now it blows only slightly cool when driving and a little cooler when idle/not moving. When you are going down the road, the wind helps cool the compressor, but if idling, the compressor fan does the job. I've let it idle up to an hour and it still was working. The car has a high idle when trying to drive. Below are the four most common. RPms at from 2000 t0 3000 - Buick 2005 Rendezvous question out white smoke It doesn't smoke anymore while driving My idling is high to. For example, if your car has a 2. What causes a rough idle? A rough idle can be caused by many different car faults. , longer than a run to the grocery store about a half mile from my house, the idle jumps up to about 1800-2000. Car Care: Chris Garman explains why your car engine might begin to surge while idling. Currently it has 214K miles. Engine has normal power and runs smooth and idles smooth. This is usually between 150ºand 180º depending on the vehicle. Still others suggest 0. Fits C, C600 Sport, C650GT Typically ships in 7-10 days. When starting and vehicle stationary idle returns to normal prior to driving. After it starts idling high it starts shifting late. This is a very overlooked gas mileage saving tip. Burns up oil. We had a plastic throttlebody and we reckon it was warping with the heat when idle and jammed the vavle open, when it cooled down it obviously returned to normal. i have a a bad control valve right now on my car (im just too lazy to get right on it. Wow, I got on to a good Honda mechanic, I told him the problem, Civic 01, overheat at idle and normal under driving conditions, he immediately said " electrical idle control module ", I would not know, but I think this guy is good, he says just get a second hand, it is rare that this happens, and a second hand mod usually fixes the problem for. Driving a dirty car - This one is a little contentious but corrosion takes effect more easily on a car which is covered with a layer of dirt. Start it up and let it sit about 10 minutes at idle so it can relearn idle. php on line 143 Deprecated: Function create_function() is deprecated. Restarted and engine started misfiring. , And i thought 90% of all manual cars had a high idle step, my truck does it. So far, I have not been able to tie the issue to outside temp. In high traffic situations, do not put the car in park after coming to a stop. My Saturn SL2 is idling high while driving, it also acts like it wants to stall sometimes. howto set idle rpm on a Mitsubishi pajero mini. Idling in winter thus has no benefit to your (presumably modern) car. My biggest problem at the moment is that my car is still idling a little high between shifts and at stop signs. Modern engineering has made driving a car easier on the ears than ever. Squealing Noise While Driving - Possible Sources The frequency of noise caused by a car problem depends on what kind of material is involved. Also, after I stopped briefly to make a turn, when I pressed on the gas pedal it took about four seconds before the car would accelerate properly. Any advice? and what treatment should I do to fix that problem?. The curb idle screw is not even touching the throttle linkage and my car is idling between 1500 & 2000 RPM in park, and 1000 RPM in gear. I watch the evp voltage with a meter while driving, It was a miracle the 32 was gone after a year and it was acting like it should, voltage change go down on the peddle and the voltage would go up it never did this before. A warm engine emits less emission than a cold one so Toyota and other manufacturers put in this feature to help get the engine to operating temperature quicker and thus reducing the higher emission that would have been emitted if the engine was still running cold. My Car Shakes While Idling - What now? Your car should run smoothly, whether moving or stopped. A top sign that your car may need serious engine repair is when your car shakes as it idles at a stop. Whether you like cars, like learning how things work or just want to click and collect, Idle Car will take you. Even though the car is warmed up at this point and the idle dropped before I open the door and it shut but the idle returns to a high idle upon immediate restart. Watch your projects evolve right in front of your eyes. Then as spring became warmer I noticed the car would be cold while driving but at a stop/idle it would blow barely chilled air. Very high idle when in park/driving. It has been like this for a while and has got worse recently. my friend has a 2001 Maxima and for the past few months and she's been having some major stalling issues. If your car has high RPM while idling, it can be attributed to a problem with the idle control valve. driving while it is using that fuel you do two things. During the warmer months, you are probably driving with the A/C on, and your engine is struggling to stay cool during the heat. One the engine is working harder so it warms up faster. 5 and after a short drive when my car's engine is fully warmed up, RPM fluctuates between 1. If your car seems to be revved up to a higher-than-normal RPM while idling, it's not necessarily a problem. gov/passenger-vehicle. While driving and keeping track of the patterns I noticed that it couldn't possibly be engine related. Below are the top 7 causes of car shakes when idle, accelerating, driving, and braking. , not letting the car warm up, highway vs. A Sacramento man was arrested after police say he left his car idling and playing loud music outside a 7-Eleven in South Sacramento Friday morning around 9:30 a. The idle RPM of a car depends on the type of engine your car has. I would also get a can of carburetor spray let the car idle and spray around the hoses and where the intake manifold meets the head especially around the power steering pump area. What could be the problem. Any compromise to this process could result in a significant loss of horsepower. While test driving my car after the installation of the SD Corso Feroce Steering Wheel I notice the turn signals won't cancel after a turn. Something is wrong with the fuel pump. I notice that after driving my saturn for a while, if I put the gear to "N" or "P" instead of "D", the idle would suddenly increase from around 1000RPM to around 2000 RPM. My AC cools like it's suppose to and works fine when I leave the car idling. Four ways to be idle-free. Also, you can't really afford to shut off the engine at each traffic light or stop sign. Leaving your car idle is an. all of these could request a high rpm if. Skip to the section that applies to you: Engine Idle Is Too Low Or Stalls or Engine Idle Is Too High. This may be the case if the idle of a cold engine startup is fine but a warm engine idle will surge and then stall. Turn your car off and save some gas while sitting in congestion. ill step on the gas but it wont accelerate as fast as it should be. When my Cruiser starts, it idles fine. What can be the cause while driving and when the car comes to a stop the engine revs for a few seconds and goes back to normal idling mode its a Opel Corsa classic 1400. Hey guys I went to the Lakers vs. And turn on the air and it smothers out. When the engine is cold, oil pressure is at like 110 psi at idle. Leaving your engine running consumes gasoline. After it starts idling high it starts shifting late. Does the Reading Fluctuate While Driving at a Steady Speed? OK, so you topped up the oil with the right viscosity, and for good luck added an extra quart. My Toyota has a hesitation while driving occasionally and idling high in park 2 Answers. A high idle in your car can cause you to worry. When your car jerks while you are driving at high-speed, there is a tendency that you stop or slows down abruptly without any warning. Your car shakes while driving down the highway, the steering wheel vibration is driving you crazy, and without you even realizing it, it's causing you to feel tired. But when I drive the car down the road it begins to run very warm( check gauges and the check engine light came on) so I stop at the side of the road. Another cause of high idle could be the air intake boot which delivers air into the intake system. Unfortunately, there are a lot of different components on your car that can cause the vibration. It seems to be a common thing with Japanese cars, high cold idle speed. Letting your car idle while in park might not seem like a big deal. The answer to that question depends on the cause of the high idle. So, I've been experiencing a higher than normal idle for the past few months when stopped at a light. After 'playing' around with this for a while I was confident that this was the root of my problem and got on to Somerford Mini for a new potentiometer - Once installed the car has run perfectly!. The number one cause for high idle is an imbalance in air pressure. While test driving my car after the installation of the SD Corso Feroce Steering Wheel I notice the turn signals won't cancel after a turn. howto set idle rpm on a Mitsubishi pajero mini. Search for Stalls While Driving. Then suddenly it did not blow cold air much at all, so I took it to the dealership and they said it was the evaporator. Upgrade to a hybrid. In other words, a jerking is an uncontrollable shaking that may start as slow vibrations then become more intense and violent over time. The long-held notion that you should let your car idle in the cold is only true for carbureted engines. You may wait 20 seconds or so then start driving. I have an Oldsmobile Alero I believe 1999, with 90,000 miles. it's best to try to narrow down when the problem is occurring, whether it's when driving, braking, idle, or in park as well as the general area the vibration is coming from. I replied to another thread here yesterday talking about how only on cold starts while idle is high does it the car shake for a second when going from park to reverse. It only cools off if I am continuously driving. The 2009 Chevrolet Impala has 7 problems reported for engine stalls/shuts down while driving. When your car is experiencing a rough idle, your engine may chug, vibrate, or shake while it’s running. car engine sounds (331) Most recent Oldest Shortest duration Longest duration Any Length 2 sec 2 sec - 5 sec 5 sec - 20 sec 20 sec - 1 min > 1 min All libraries Stuart Duffield Justine Angus Airborne Sound BLASTWAVE FX David Fienup Luca Testolin Richard Humphries Raconteur Sound The Soundholder. The engine produces incredible torque; which I feel throughout the power band. Longer time leaving your engine running causes more motor oil to be circulated and burned up. My 93 Ford Tempo 4 cyl. Furthermore, if you are driving a vehicle that runs on diesel , not letting it idle can be considered a borderline criminal offense. Fine when driving but if idle for a time it started to over-rev. How high does the idle go? I would check the short hose that goes from the intake manifold to valve cover for collapsing or holes. My SS, and a few German cars I've driven idle at 1000 when cold and 800 when warm. Idling a car won't kill or drain your battery, unless your battery has a problem holding a charge or your car is heavily laden with high-energy consuming electrical accessories. The mount is also designed to absorb vibrations and shocks that come from driving on the road. I have the idle mixture screws only 1/2 turn out, and I backed the high idle screw on the electric choke almost all the way out. I have a crazy idle on my 2011 Evo X GSR.