1999 Chevrolet Silverado 1500 "air causes idle rpm issues" Questions

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 solutions to troubleshoot such idle issues.

causes the engine to work harder to maintain the idle RPM's. When it's placed in neutral this added strain is released. Most of the time a complete tune-up (spark plugs, wires, air filter, distributor

...revs jump to 2000 rpm for abot 6 seconds before returning to 1000 rpm help- Havent tried anything yet is it Idle air control valve ? Idle air control valve would be causing this issue. You got it ...

...idle.no lights or codes being shown throttle position sensor , vacuum line holed ,air intake blocked ,all could cause this type of issue, and many other things ! what is make and model as could be a ...

...air to enter the engine. Check all vacuum lines/hoses for disconnection issues and for being soft/collapsing. If the leak is large you may hear a hissing noise coming from the area. If the throttle ...

...air filter? It could be an idling issue-idle too low. Check if can be raised, or if idle control motor or valve needs service. Idle should be around 750 rpm, in drive gear, maybe a bit lower, not ...

...than in idle state air leaks into the engine sometime more sometimes less and cause fluctuations in rpm secondly there is a rpm switch which controls the rpm you can replace that switch and ...

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 solutions to troubleshoot such idle issues. I

...idle? No, it is computer controlled. You have an issue that is causing this, and will need a live data scanner hooked up to diagnose. You could have a Mass air flow sensor issue, throttle position ...

...air temp is cold and vice versus Has it always been this way as it sounds like it warms up and then runs at idle at an ideal rpm which is quite common for many cars although I haven't specifically ...