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Hello All, Recently replaced Bank 2 Sensor 1, PCV , and a few vacuum hoses around intake, cleaned MAF and new air filter. Check engine light was on. No light now after 700 miles and passed inspection!! Idles at light around 7,300 Idle has started to run rough a little when stopped at light. Bounces down to about 6,000 but will com back up. I also noticed will will jump, for a second, to 9,000 when stopped and then goes back to 7,300. I have to apply more brake pressure. I disconnected the IAC during a cold idle and the RPMs drop, runs rough, but doesn't quite stall. Plug back in and all Okay. No Codes so not sure where to focus my attention. Any thoughts??? Thanks!
 

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Are you saying it rev's up to 9000 rpm? I'm not sure that is possible so it must be a misunderstanding. From the work you've done and the surging/rough idle I would guess you've got a vacuum leak somewhere.
 

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Thanks for the Vacuum suggestion. I thought I had that all resolved now with no check engine light on. Yes, of course my number should have been 900 RPM
 
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MCHERRY
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