Poor idle, explorer 4x4 97
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Junior User
Joined: May 2004
Posts: 67
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From: Caracas, Venezuela, South
Poor idle, explorer 4x4 97
Poor idle for the last 3 months I have replaced spark plugs, air and fuel filter also cleanned injectors idle still uneven or low ( 5000 rpm). need to know a simple procedure to check for vacuum leaks.. please help
Posting Guru
Joined: Aug 2000
Posts: 1,984
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Waro, a vacuum leak will generally give a higher idle. Since yours is lower than normal, I'd check the IAC valve.
You might try cleaning it first, and if that dosen't help, maybe replacing it. Do a search for "clean IAC", and you'll get lots of info on cleaning it.
Good luck,
TLR
You might try cleaning it first, and if that dosen't help, maybe replacing it. Do a search for "clean IAC", and you'll get lots of info on cleaning it.
Good luck,
TLR
Senior User
Joined: Aug 2005
Posts: 182
Likes: 0
It's also quick and easy to check for vac. leaks at the same time.
While you're searching for the IAC thread you could also try searching for a vacuum leak check. I've described it in detail several times here. Now I just tend to tell folk to search for my username!
When I had the vac. leaks my idle was never high. I had multiple leaks amnd also a bad IAC at the same time; even when the IAC was fixed the idle was still low.
While you're searching for the IAC thread you could also try searching for a vacuum leak check. I've described it in detail several times here. Now I just tend to tell folk to search for my username!
When I had the vac. leaks my idle was never high. I had multiple leaks amnd also a bad IAC at the same time; even when the IAC was fixed the idle was still low.
