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Honda Accord (1990 - 2002) Includes 1997 - 1999 Acura CL

engine revs

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Old 03-18-2017, 07:03 AM
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Default engine revs
1991 Honda Accord EX: Revs up and down when in park or neutral. Pulsates when in drive, but only at a stop- unless I press the gas pedal to about 1600 rpm> Took off and cleaned Fast Idle Thermo valve (FITV), Took off and cleaned Idle Air Control Valve (IACV), unplugged Throttle Position Sensor(TPS)- no change, New fuel pump and filter... any suggestions?
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Old 03-18-2017, 08:15 AM
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Default Re: engine revs
Check for a vacuum leak. Check for cracked or loose vacuum hoses, worn or cracked intake and throttle body gaskets, injector o-rings.
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