Recent content by LEROY84

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    IAC Valve 2003 P5 SE

    Can a malfunctioning IAC valve cause a higher than normal idle? Not tripping the CEL but when I checked with my code reader (DTC P0507 Idle control system RPM higher than expected) came up? Can this be adjusted with the AAS? Or should I be looking at replacing the IAC valve? Any insight would be...
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    High idle when in park, and fluctuation when let off the throttle.

    Yeah it's an auto.
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    High idle when in park, and fluctuation when let off the throttle.

    So I'm new on this forum and I'm looking for a little advice, When I start my car in the morning RPM's jump to just over 2000 rpm's and drops down to around 1200 rpm and stays there when in park. Also when driving and I let off the throttle around 50km/h rpm's drop to 1500 rpm's and jumps to...
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