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°Urgent° RPM go Up & Down in Low Idle

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Old 08-02-2006, 12:35 AM
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Default °Urgent° RPM go Up & Down in Low Idle

Guys need help im going on a trip on thurday and my Truck started today with this problem

when im in D with the brake pedal on or low Idle the RPM starts going up and down
which could be the problem ?

i Changed the air filter last week from an original to a K&N The one that goes in the Original air filter box could this be cousing the problem ?
 
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Old 08-02-2006, 01:24 AM
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Default RE: °Urgent° RPM go Up & Down in Low Idle

Sounds like your IAC is dirty/sticking. The second thought would be that you have a vacuum leak.
 



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