Question about 2002 Chevrolet TrailBlazer

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Engine is racing

The idol is jumping in my 2002 chevy trailblazer.

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2002 trailblazer doesn't have a t.p.s.

Posted on Apr 03, 2012

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The vehicle should have a stored trouble code, go to an Auto Zone they will read the code for free. Usually idles surges are caused by a malfunctioning TPS sensor or throttle position sensor.

Posted on Oct 06, 2009

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Posted on Jan 02, 2017

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Jump start trailblazer will run that day but next day it is dead there is a short some where


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Oct 29, 2015 | 2005 Chevrolet TrailBlazer

2 Answers

I have a 2006 chevy trailblazer i change all the mounts inclunding the idol tentionor and its still vibrates and make niose when am in drive or reverse in park and neutal its fine but just when am in


If the harmonic balancer wobbles when the engine is running, it could cause a vibration. A typical balancer has a rubber seal between the balancer and the belt drive pulley. The rubber seal may have deteriorated.

Dec 27, 2014 | 2006 Chevrolet Trailblazer

1 Answer

I stopped at the gas station turned my car 2002 chevy trailblazer off.....and now it will not start.....


It is possible that the Battery is dead, if you turn the ignition & the engine does not turn over try getting a jump

Feb 24, 2011 | 2002 Chevrolet TrailBlazer

1 Answer

I have a 2002 Chevy Trailblazer. Just replaced


If you unhooked battery it will need to relearn its idle position, should help if you clean throttle blade edge and body of carbon so proper amount of idle air can enter engine.

Feb 28, 2010 | 2002 Chevrolet TrailBlazer

2 Answers

Locate camshaft sensor 2002 chevy trailblazer


Assuming you have a 4.2L engine here is the location.
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Hope this helps out,
if so please rate my answers.
Brett

Mar 19, 2009 | 2002 Chevrolet TrailBlazer

2 Answers

2002 chevy trailblazer,engine is loud and sounds like it is racing


If it was like mine, It sounds like a semi truck instead of a SUV.
It was my fan clutch staying engaged, replace it and everything was back to normal.

Feb 21, 2009 | 2002 Chevrolet TrailBlazer

1 Answer

My 2002 trailblazer was missing, so I took it to the shop. They put a tune-up on it, but it is still missing. They said I need a timing chain, truck has 110,000 miles.


Timing chain usually does not cause a miss. It may run sluggish or even backfire, but a miss is like a spark plug with the wire off. Like a dead cylinder. Chevy timing chains do stretch but those engines can handle quite abit of timing. I had one with 120K miles and it was only off 4 degrees. That's nothing for chevy to handle. A tune up is usually nothing but a set of plugs and a hook up to a diagnostic machine. I would look deeper. Go out at night, start the engine with the hood open. Make sure you are in a very dark place. Look for sparks jumping from plug wire. Another way to to use a spray bottle of water. Spray a very fine mist of water around the wires. If they are bad, a spark will jump. Check cap for deposits. You can only hope that the plugs were gapped right.
Good luck

Feb 20, 2009 | 2002 Chevrolet TrailBlazer

1 Answer

2002 Chevy Trailblazer Ltz won't start no lights


make sure the battery termanals are tight,, give it a jump and see, can't hurt.

Dec 31, 2008 | 2002 Chevrolet TrailBlazer

1 Answer

2002 Chevy Trailblazer Engine Codes


This is actually an easy swap out. Remove the electrical connection, remove the retaining bolt and pull out old one. I believe the sensor is located in the front passenger side of the engine on this particular model.

Jul 06, 2008 | 2002 Chevrolet TrailBlazer

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