Question about 1991 Honda CRX

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Idles good but,above 1300 rpm serges evenly at about 3800 no more serge 1990 crx 16 valve 1.6 very strong serge

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Is the car an si if so could b tps sensor

Posted on Dec 02, 2008

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Have you replaced the fuel filter? if not, it could very well be the problem

Posted on Oct 14, 2008

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1 Answer

I replaced my IAC valve and i am stil having idle issues


bad compressor, builing amprage, not good for alternators regulater to over compensate for that type of serge check fusible liks and plastic melting off starter wires

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My car has a serging problem. when foot is off the accelerator car serges. on top of that at certain times when i accelerate the car goes no where, bunny hops until accelerator is in right position it then...


sounds like the throttle position sensor is broke have to replace it also check the idle air control valve make sure it is working properly test it with a voltmeter this should fix problem

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vaccume leak check all small and medium lines for cracks if cracked then you must replace. or its the pcv valve that rattles. its on your front valve cover. good luck. joeyj35@live.com

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Vehicle serges while idling


petrol or diesel ? if petrol maybe idle speed control vale needs a clean out .

diesel possible air ingress when did it last have a new fuel filter ? or egr valve may need cleaning out .

Dec 07, 2009 | 2004 Ford Expedition

1 Answer

My 89 toyota pickup 22re fuel injected serges when idling when its warmed up


The Idle Air Control Valve (IACV) may need cleaning or replacement.

This valve lets air bypass the throttle plate so that the engine can idle. The more air, the faster the idle. If this valve is sticky, the computer may have a hard time regulating the idle properly and may surge.

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1 Answer

Engine surge during warm up.


Try changing your PCV valve make sure the hose is clean and not full of oil. Also check the elbow end that goes to the intake they tend to collapse from oil saturation. Hope this helps.

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