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Thread: Strange idle behaviour

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    Default Strange idle behaviour

    This weekend cleaned the egr and throtlle body on my vectra with z22se engine. Now when the car is stationary the enigine behaves normal eg idle at 800 rpm. However on the move the idle sits at 1500rpm (in gear or out / clutch engaged or not). Engine rpm only drops back to 800 when coming to a stop. What could I have done to cause this behaviour?

    Jaap

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    Problem solved, ECU took some time to adjust to cleaned throttle body. See http://www.vectra-c.com/forum/showth...t=79230&page=3

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