Question about 1993 Acura Integra Hatchback

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93 legend revs up and down between 1000 rpms, i believe it stops with ac on but still revs high!

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  • will_rich May 19, 2009

    idle sensor on the plinum(?) or air coolant sensor?

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Yor idle sensor is bad its very very common with honda and acura (same company) will run fine but annoying

Posted on May 19, 2009

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How to remove rear wheel bearing on a honda legend 1993

Posted on Jul 16, 2013

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1994 Acura Legend LS 6-spd. Idle Surging RPMs High & Low and doesn't stop after starting. Continues to do it at each stopping point?


you have air in your coolant. This is a common problem that causes surging idle on the Legends. You need to bleed the cooling system. Have a read here
http://www.acura-legend.com/vbulletin/f4/help-bleeding-cooling-system-142866/

Dec 10, 2016 | 1994 Acura Legend

1 Answer

1997 acura cl 2.2 revs up to 1500 rpm and down to 1000 rpm just several seconds after start


Cars are design to run at a higher idle at start up to warm them up quick. There is a sensor that reads water temperature and tells your car's computer how fast to idle. Your RPMs seem slightly high but not out of the norm. Does idle ever drop to around 600/800 after about a minute? If not, your engine temperature sensor maybe defective.

Mar 16, 2014 | Acura Cars & Trucks

1 Answer

RPM revs high and changes while in neutral


Check the air intake sensors, called MAF or MASS air flow. They have temp and baro devices in them.

Feb 05, 2014 | 2007 Toyota Corolla S

1 Answer

My 96 ford taurus revs high when starting then works it way from 1500 or more down to 800 but fluctuates from 800 to a little over 1000. When putting car in rverse or drive from park engine revs up to...


You need to clean the IAC again and also the throttle valve and bore, use only CRC brand Throttle body cleaner. After they are thoroughly cleaned disconnect the battery for 5 min's and then drive the car in varying condition for a few days. If that doesn't cure the issue you have more serious problems and will need a scan tool to look into the readings from the MAF, TPS and ECT sensors. High idle cold start is normal then slowly dropping after a few minutes. I assume you never had a check engine light. Correct?

Mar 24, 2017 | 1996 Ford Taurus

1 Answer

My 2000 mazda protege 1.6l is overrevving. i start it and it jumps to 4500 rpms. i tap the gas afew times and it will start to let down to about 1500 to 2000 and rev up and down between the two. i turn on...


There might be a vacuum line off somewhere, or forgot to be reconnected.
Also have the idle/air control valve checked, ( It's mounted on the throttle plate), the pintal inside might be stuck or inoperative.

Aug 27, 2011 | 2000 Mazda Protege

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1990 nissan 300z 2 2. After it runs for awhile, the rpms wants to go up about 800 to 1000 when I stop. I can push the gas pedal down and rev the engine and most times it will return to normal rpm. I...


Take to a nissan tech this sounds like a bad tps sensor throttle position sensor or a cruise control issue . Your problem is likely to serious to deal without a code reader an having the vehicle in front me. Think of safety first here or a accident.

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2003 Chevy Cavalier 2.2L - RPMs Surge & Drop Out - Stalls In Idle


it sounds like its drawing air into the inlet mannifold

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1 Answer

High idle.


try clean idle speed control.

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