...high HC at idle It can be issue with IAC( idle air control valve) causing the problem. There are many other possibilities causing these idle issues. Engine idles rough. There are few help links with ...
Question about Chevrolet Silverado 1500
...and idle desired, If idle desired is close to normal, then the pcm knows the idle is too high and trying to compensate. In that case, check for stuck iac or vacuum leak. There could be other
Question about Chevrolet Silverado 1500
idle and under load? If fuel trim is high at low speed and load, look for a vacuum leak. If fuel trim is high at high speed and loads, look for fuel volumn problem or restriction. If fuel trim is high
...high speed / engine temperature) and low-end (low speed / idle speed) needles on the carburetor. This is also called dialing in your engine. There are usually base-line settings for each nitro engine ...
...HIGH IDLE Replaced throttle body , and vehicle will not take idle relearn, idles at 2000 rpm in park only, when put in gear idle is normal. Idle than will only jump back to 2000 rpm after restarting ...
high idle 99 k 1500 z-71 4.8l manual transmission not all the time and if i switch it off for a minute it is fine This truck uses an idle air control valve to change the idle speed.The valve could be ...
idle, it idles high then low, before shutting down. This problem started all of the sudden after I finished installing a water pump. I tried driving it but I couldn't keep it running. Please help,
...idle is low when parked, 500+ -- and when done running around it may be as high as 950 rpm, when i turn it oo and turn it on an hour or so later it is fine, still low idle, however it runs great and ...
...mixture and a idle which will hunt.idle air motor maybe plugged with carbon.also disconect the battery for couple of mins.start and hold idle high about 2000 rpm for 5 mins if all above does not
high idle is generally caused by vacuum leak somewhere or dirty throttle body . does it have a vacuum brake booster or power steering brake booster? This is the very same problem I'm experiencing with
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