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1G erratic idle @ 1.2~1.5k rpm

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AllanL

15+ Year Contributor
272
22
Apr 24, 2008
LV, Nevada
any advice on what needs to be checked/cleaned?

car idles fine, boosts good...except that while slowly stepping on the pedal and upon reaching and staying in the 1.2krpm range, idle surges...

but stepping harder on the pedal and leaving this rpm range, revs will continue...


thanks!

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