2002 Cadillac Deville "bad iac valve cause car" Questions

...Bad fuel-pump, fuel-pump relay, needs tune-up, defective ignition control module, wrong air/fuel ratio, defective IAC valve or EGR valve. Other causes: Wrong timing, bad compression, or clogged

...the EGR is stuck open mechanically or from carbon the idle can go high . A bad IAC or incorrect signal from the computer module can cause high idle . Vacuum leaks from intake gaskets and PCV valves

...bad CAM belt. or IAC valve is dead, a lack of fresh air,and will not idle. right foot test above. IAC = idle air control valve. if dead right foot can simulate it working, see how that work, the ...

...bad IAC unit will cause poor driveablility and poor/high idle, and also stalling and starting issues. There is really no harm by being bad but during rapid deceleration if the IAC does not catch the ...

gas/pedal) if yes and engine seems smooth, can be IAC bad? or EGR sticking open makes all cars stall. at idle. at idle EGR is not enable but if stuck open all this fails IAC = IDLE AIR CONTROL, (VALVE

...iac valve is going bad - YouTube www.youtube.com/watch?v=oNO8GCN8jQA BY TIMMY102345 6 MIN 939K VIEWS 2009-09-07 · Video embedded · how to tell if your iac valve is going bad timmy102345. ... #372 ...

...bad for oxygen sensor, catalyst and iac as oil residue from filter can build up in iac causing it to stick. If none of these help check voltage to iac and feel for clicking when ignition is turned on ...

IAC (cold start fast idle air valve bad) same for right foot.... 3: check engine light on running? is it? ECT can cause gross over fueling. the IAC dead will cause gross under AIR which in fact causes

bad idle air control valve/motor. Take the valve out and check for obstructions in the port that could keep the valve from closing. Then, if you have an ohmmeter, you can run these checks on the valve

...Bad IAC Valve 3.Fuel pressure regulator culd any of these 3 problems cause the "service engine soon" light to come on? 1.Dirty or faulty fuel filter 2.IAC valve is bad 3.Fuel pressure regulator bad ...