1997 ford explorer
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Joined: Feb 2004
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From: Pelham
1997 ford explorer
97 explorer engine while idling lacks power, and then reves back up to power while sitting still at red light. I have had codes checked and no hard codes, what could it be. I have heard possibly oxygen sensor, or idler air control valve, (but did checks on Valve, tested ok) , but what could it be? Its almost like it looses air and then sucks air back in.
THanks,
Hill2523
THanks,
Hill2523
Senior User
Joined: Apr 2005
Posts: 310
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Eratic idle like you describe sounds like a bad IAC, the Haynes Manual describes a good troubleshooting check for it. You could try cleaning it, I did that in my ranger, but ended up replacing it not too long after that.
