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85 Nissan z24 motor 5spd. Has had a high idle. While driving mashed the clutch and theengine revs like the throttle hung up and want back down. Checked throttle cable and its good. Any ideas on how to fix this problem?

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  • Cars & Trucks Master
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Check IAC and TPS[RPM] sensors.Control throttle.

Posted on May 10, 2014

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SOURCE: 94 blazer vortec 4.3 idle revs up and dont come down

check your Throttle Positioning sensor that should fix your rough idle the TPS controls the breather on the front of the engine its affixed to the right hand side of the throttle body just infront of the spyder on the V6 Vortec 4.3L Models

Posted on Nov 15, 2008

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SOURCE: Idle surges after warm up and when brake pedal is pressed

1990 22re same problem surge when pedal was depressed thought it was booster or check valve still didnt fix it i even put a brand new booster on it just to make sure still no fix it finnally went away on its own for about a month now it does it just sitting at an idle with out the brake pedal depressed traced all vaccum lines no problem there and still have no clue

Posted on Feb 21, 2009

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SOURCE: '86 nissan trk inconsistent idle(hi,lo,lopes)z24 carbed

internal vacuum leak in carb. replace with weber carb you will be very happy

Posted on May 28, 2009

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SOURCE: High idle speed- Nissan N16 Pulsar/ Almera

Battery not charging well when airconditioner on ( also engine speed not increase when air conditioner on )

Posted on Jul 30, 2009

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SOURCE: idle problem: motor revs up and down at idle

it sounds like your idle control valve needs cleaning or replacing

Posted on Oct 08, 2009

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