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Clean out your IACV on the baack of your IM. Should fix it
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∙ 14y ago
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Why does your 1990 Honda CRX idle at 2000RPM at startup but drops back to a normal idle once the engine warms up with no other idle issues at any other time?
because your ecu sends more fuel to warm up the engine faster
What makes a car idle up and down?
A car may idle up and down due to "Improper fuel mixture". (The fuel in the car may consist of an un-even balance of air or gas). However, there are a few other ways a car can idle up and down.
What caues my 2001 Ford Taurus to idle up but want idle down?
idle speed controll or tps throttle sensor
4.7 liter magnum rough idle suggestions?
Check/ replace the TPS if the idle is up and down.
1990 Honda CRX idle problem after car warm's up it will run up to 2000rpm then back down to 800 rpm and repeats?
It could be one of two things, dirty IACV (idle air control valve) or air in the cooling system. The IACV is the most likely culprit, you'll need to remove it and clean it really well with brake cleaner. It's located on the back of your throttle body.
Why does your ford ranger idle go up and down upon start up?
The IAC (idle air control) at the throttle body is usually the problem.
What causes a Dakota pickup to idle up and down after it warms up and use a lot of gas.?
Hello, Usually The throttle position sensor controls that. When they go bad, your idle will go up and down like that. I hope this is helpful.
Why would a 1990 2.3 not idle and accelerate on its own up and down?
You might try checking you idle air control valve.
Why 92 Cadillac Seville 4.9 engine v-8 idle up and down?
idle speed motor on the throttle body.
Idle rises and drops when warm?
do you have a/c switched on when this is happening a/c makes engine idle up and down as it cycles on and off
What happens when an Isuzu Amigo's Idle air control is not working correctly?
The engine will idle up and down usually. It can also idle high or real low. But other things factor in on how the idle air works
Your 93 accord rpm go up and down when car is idle?
your idle air control valve need to replace parts $200 labor $150 or clean it with carburetor spray if you're lucky that might solve the problem i clean my idle air control valve it help little maybe i didn't clean it up good my idle go up and down pretty high and then after i clean it sound much better but it still there idle go up and down slowly now the best way just buy a new idle air control valve engine light turn on hope its not o2sensor
