Question about 2001 Oldsmobile Silhouette
The rpms went over 2000. could it be the air control sensor
It's called IAC - idle air control valve > Did the RPM'S stay at 2000 or drop back down ? The PCM engine computer controls IAC valve according to engine load . Put it in gear , turn on electrical loads , headlamps , A/C etc... an the RPM raise's up so engine will not stall . More then likely the throttle plate needs to be cleaned , they get gummed up an stick at higher idle . Quick Tip Throttle Cleaning EricTheCarGuy If the IAC valve were gummed up the idle would be low or erratic . On some engines a vacuum leak will cause high idle . Videos on youtube checking for vacuum leaks .
Posted on Jul 24, 2016
Testimonial: "also where is it located, i have done a search and find nothing for my van."
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Posted on Jan 02, 2017
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