pulsing idle
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pulsing idle
when i start my car the rpm's raise then drop then raise then drop im pretty sure it's my IAC just wondering
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to verify this take off the intake and plug the top hole in the throttle body if it stops then it's the iacv if not plug the bottom then it's the fast idle valve. and if both plugged and still doing it you have a leak somewhere else.
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that, or, ive had a TPS wear bad in one spot, and as its a standard potentiometer, the voltage will jump between the closest high and low spots.
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+1.... if your car idles up then down up then down constantly, kinda like the car is breathing... its more likely to be your tps... your car wouldnt have a smooth constant idle if the IACV was bad.
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thanks all
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93 CIVIC COUPE EX--SOLD
09 Mitsubishi Lancer--Current
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90 DX HATCH W/LS--TRADED
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i tryed everything i bought a new iacv and still does it i got a new throttle body and changed with new tps and map but it was used so i dont know if there sensiors where fucked to please help
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Last edited by Jdm-civic88; 11-08-2006 at 10:11 PM.
