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You may have to clean or replace you Idle Air Control (IAC) valve. Mine did the same thing, but after I cleaned it, I realized that it idled too low, so now I have to replace. Be forwarned... you will most likely have to order the part (it cost about $43.00) or you can get one from a junkyard if you trust that. Hope this helps.
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Where is idler sensor on 1991 Ford Probe?
The Throttle body is where all the sensors are for this car. If your having an Idle problem though, It is rarely that.
Why wont my 1991 Honda CRX 1500 fuel injection not idle when it gets warm?
turn down your idle. theres a screw with a spring. right dab in the middle of the manifold with the injectors below the top part of intake. turn it to the left to turn it down. and so on
Why is idle rough on cold engine in 2007 ford focus?
throttle body or idle air control value
Whats causing your 1992 ford ranger to idle to fast?
water pump or thertomstat
96 Chevy s10 4cylinder running at high idle and will not kick down?
If this happened all at once, check the vacuum lines. A cracked or broken line will cause high or rough idle.
What caues my 2001 Ford Taurus to idle up but want idle down?
idle speed controll or tps throttle sensor
How do you adjust the idle on a 1991 Honda Accord?
Go to the mechanic down the blocc
Why does my 1991 ford F250 idle so fast?
Perhaps the throttle plate is stuck - try to free with a screwdriver
On a 1991 Nissan maxima Idle is good at starting car then the idle goes up high for a while then is up and down?
A faulty camshaft can cause your 1991 Nissan Maxima to idle erratically. A diagnostic test could verify the cause of the improper idling speed.
Why does your 91 Ford Bronco 5.8L idle high It will be OK then after driving the idle will stick Sometimes it will kick down but sticks again after driving?
Idle Air Control Motor malfunctioning.
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.
How do you slow down the idle speed on a 1999 Ford Mustang?
With a tuner. Look into Diabosport or SCT.
Where is idler sensor on 1991 Ford Probe?
The Throttle body is where all the sensors are for this car. If your having an Idle problem though, It is rarely that.
Where is the idle air control valve located on a 1991 ford escort?
Check Related Link below. It shows you a picture too.
1991 Honda accord idling up and down consistently don't know what the problem is?
Could be your Idle air control valve.
When I drive my 1991 acura integra the engine revs up and down then stalls out?
replace the Air Idle Control Valve for starters
WHY DOES THE 1991 Mercedes Benz 500sl HAVE high idle?
How high is your idle? idle should be 800rpm good oil pressure is obtained at this idle
