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Experience rough idle on 2003 OZ Rally manual. Cleaned throttle body. I also had a valve cover leak and replaced the valve cover gasket, plugs, and wires at the same time. Car ran better for a shor

Experienced rough idle on 2003 OZ Rally manual. Cleaned throttle body. I also had a valve cover leak and replaced the valve cover gasket, plugs, and wires at the same time. Car ran better for a short while but now will not idle at all - what's the problem?

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Posted on Jan 02, 2017

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SOURCE: 2000 gmc rough idle

Im not sure if this can help, but my 2000 gmc sierra was idling badly. Replaced Fuel Pressure Regulator and my truck runs like its brand new. My service engine light was also on.

Posted on Jan 10, 2009

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SOURCE: My 1995 Buick Lesabre is misfiring

If it only happens at a certain point in the throttle travel, it may be a bad TPS. You would need a computer to confirm loss of signal, but that is what it sounds like.

Posted on Jun 08, 2009

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SOURCE: 1989 Cavalier Z24 Stalling problem

Have you heard of Noid lights? You unplug the fuel injector and plug these in and they will light up if the injector is getting power. This might give you a better hint. There are also lights that go inbetween the spark plug and wire. Between these two items you may be able to narrow down the problem to a specific system. I believe that your car has a coil pack. Some of these engines have problems with the crank trigger. I believe it is located on the back side of the motor. If you decide to change it, be careful. I have heard of them breaking into two pieces and becoming a big problem.

Posted on Jul 21, 2009

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SOURCE: 1993 toyota 4x4 idle problem

sounds like your throttle positioning sensor is not set right so i would undo the two phillips heads that hold it and turn it till the idle doesnt fluctuate should be turned most of the way to the front of the truck. Also check your idle screw that throttle body could be set different.

Posted on Sep 23, 2009

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SOURCE: vw polo 1.0 1999, Rough idle, we have cleaned the

right hand side of the intake housing where the butterfly is ----a black plastic box held on with 4 star headed screws ,the carbon tracks inside are pitted and burnt

Posted on Nov 20, 2009

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