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There could be any number of reasons but it could be the idle is set too low. The idle is the rpms that your engine runs at just sitting there without you stepping on the gas. It should be somewhere between 800 and 1000 rpms.
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2002 ford explorer sport trac rough idling when car is stopped entire car rocks check engine lights on What could the problem be?
why is my ford sport trac run rough at idling. Being that the check engine light is on, start with having the codes read. Your local auto parts store can help with that at no cost.
Why would 1999 Chevrolet Cavalier 2.2l run rough when idling?
timing off
Why does a 1998 Mazda 626 have a rough idle while it is in Park?
It probably needs a tune up. My 1998 Mazda 626 was idling very rough, so I did a tune-up by replacing the spark plugs and wires. This made the engine run better, but the rought idling continued. I took it to my mechanic, and he found a vacuum leak somewhere, and $270 later, it idles smooth as glass
What would cause a 1997 Ford Escort to run rough when idling?
The most common cause of rough idling would be a bad or clogged fuel injector. Also look for the hose on your EGR valve. They tend to come off in hot weather. If the hose comes off the engine will definitely run rough. I had to put a small hose clamp on mine to keep it from comming off. Spiritchsr1
Rough idling sputtering what is causing it in your 1996 Chevy Corsica?
If you have replaced plugs and wire most likely one of your coil pack usually run about $50
What besides the fuel filter causes a 1992 Jeep Cherokee 4.0 to start to run rough and stall then start but stall when idling then not start then start and run good for a while?
O2 sensor, if you have replaced it already, pull it out and make sure it hasn't burned it again. Jeeps can be notorious with these O2 sensors.
How do a just idling on 1992 1500 truck?
You can adjust the idle air control valve on a 1992 1500 truck while it is just idling. This is done if the truck is idling too fast or too slow. It will help the truck run better.
What are the symptoms of a bad throttle position sensor in a 91 Saturn sl1?
A bad throttle position sensor, on your 1991 Saturn, will cause the engine to run rough when it is idling. The engine will run normally at higher speeds.
What makes a car run fine idling but rough under heavy acceleration?
Any number of things: Bad spark plugs, dirty fuel filter, dirty injectors, and on, and on, and on.
Why would 1988 Thunderbird run great for a while then run rough for a while. This continues back and forth?
You have a fuel injection problem. Have it looked at by a knowledgeable person.
What would cause a 91 cavalier to run at high temps while idling with the coolant reservoir still full?
Radiator could be plugged or restricted
Why is 1999 Suburban losing antifreeze and idling rough?
That is a very common problem with the vortec engines.You will have to replace the intake manifold GASKET. If you run your finger around the 4 corners of the intake were it sets against the heads you will probley find the leak.Have you run the engine HOT or over heated it ? If you did then you may have damaged the head gasket / gaskets and that would cause a rough idlel.
