Question about 2003 Jeep Wrangler

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The jeep is reving high once the clutch is in or in neutral. If you step on the gas it revs high and comes back down both in drivingthe engine light is on as well

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The engine light indicates that there is a Diagnostic Trouble Code (DTC) available for download from the vehicle computer. Go to your local Auto Zone or O'Reiley's (SP?). They can download the code and tell you whats involved and its FREE!

Posted on Jul 12, 2010

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Revs high when i change gear


Is it possible the clutch pedal is interfering with the throttle? Start the engine in neutral and allow it to idle. Press only the clutch pedal down and see if this increase the engine speed. If it does speed up the engine and slows back down when you release the clutch then somehow this operation is where your fault lies. If it doesn't alter the idle speed, then rev your engine and release the throttle to see if it returns to idle immediately. If it is slow to return to idle then your throttle cable could be sticking. This means when you change gear lifting off the throttle has little effect and depressing the clutch to change gear causes the engine to race as the throttle is still partially open.

Aug 23, 2014 | 2005 Ford Fiesta 1.3

1 Answer

High rev on neutral


Just remove and clean the IAC valve and replace if necessary...

Feb 26, 2014 | 2007 Tata Indica LSi

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I was driving back on the expressway when the RPMS started to rev while in the gear. I was only going 55 - which is in 5th gear. it owuld rev then fall back between 2 &3 RPMS. When I was pulling...


Your clutch has failed. Big job...transmission needs to be removed. The over-reving you felt was the friction material on the clutch disc not gripping the flywheel.

Feb 02, 2011 | Hyundai Accent Cars & Trucks

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I have a 1998 Jeep Cherokee with a 4.0L engine. The oil pressure gauge usually stays around 40 on the highway but when I come to a stop it drops down to 10. Is this normal or is my oil pump getting ready...


No this is normal. As an engine wears then oil preasure will be less this is not due to a weak oil pump but wear in crank shaft bearing's. When an engine is new and bearings are tight then oil preasure wont fall a lot from reved up to idle as the engine wear's oil escapes quicker from the crank shaft bearings. Reved up oil preasure increases idle it drops off. If the oil light stays out then their is enough preasure to lubricate the engine. In fact in an older engine high oil preasure is a worse complaint as this means the oil system is clogging. All is ok with your pump. If the oil preasure is moving up and down at constant rev.'s then the oil pump is faulty. Hope this put's your mind to rest.

Aug 11, 2009 | 1998 Jeep Cherokee

1 Answer

Choke coming on even in summer, is this right


it seems that your coolant temp senor is what causing this to happen it's natural inless it revs really high and stays above 1100 rpm's after the engine heats up.

Jun 09, 2009 | 2004 Hyundai Santa Fe

1 Answer

94 honda del sol's engine revs up and down


I know exactly what you are talking about, it will go high to about 2 to 4k rpms, then back down to 1k in intervals of about 3 seconds. It is either the idle air position sensor, or the throttle body position sensor, hondas are famous for it. The parts are cheap, about $20-$30, and fairly easy to install when you find it. I suggest a Haynes Manual for installation to make it a lot easier if you don't know where it is. Good luck, hope all goes well.

Feb 22, 2009 | 1997 Honda Civic del Sol

1 Answer

Over revving when clutch is pressed


you need to check the clutch cable is not binding with gas pedal cable. you need to have some body to help you to look the operation at engine area. let me know if this help you

Feb 20, 2009 | 1993 Saturn SC2

1 Answer

2000 Jeep GC engine reving.


IDLE CONTROL MOTOR. TRY TO CLEAN IT FIRST.REPLACE.

Jan 14, 2009 | 2000 Jeep Grand Cherokee

1 Answer

Stalling And Engine Revving


Sounds like a transmission problem. My car was doing that and it turns out it had a transmission fluid leak that had led to major transmission damage. The bad news: the entire transmission had to be rebuilt.

Nov 12, 2008 | 2001 Chevrolet Malibu

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