1999 Jeep Wrangler "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, can be 49 time guesing wrong or worse added a new defective part to the mix. yes finish the tune up, why did you do it last>? odd no? vacuum leaks cause, high idle on all jeeps!! and then ...

...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 air speed motor. Could be multiple issues. First, is the check engine light on? If so have the codes read and fix those issues first. Could be the idle air control, could be a vacuum leak, could ...

...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 ...