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2006 chevrolet trailblazer rough idle

Idles rough when gear is in drive position. rpm needle flucuates

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 4 Answers

SOURCE: 2002 chevy trailblazer has rough idle

it could be an o2 sensor. it could also just need a tune up

Posted on Mar 15, 2009

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ryanlutton
  • 1142 Answers

SOURCE: 2004 Chevy Trailblazer idles rough.

If it has not pulled any codes (idiot light). Clean your throttle body, and change your spark plugs with A/C Delcos #41-103, most other brands will cause rough idle like Autolites and Bosch. This would be a cheap way to fix this problem.

If by chance you have just recently changed the battery or had the battery unhooked. Let me know, it's an easier fix that costs virtually nothing.

Posted on Nov 22, 2010

shop242
  • 214 Answers

SOURCE: 2000 Chevrolet Venture multiple codes stalling and rough idle

Look for broke/ shorted wires on Crank sensor.. thanks

Posted on Mar 17, 2009

  • 1348 Answers

SOURCE: at stop rough idle

idle air speed controller.
dirty throttle body
air cleaner clogged
air flow meter
bad injector
leaking intake manifold
vacuum leak
bad plugs
ignition components

Posted on May 13, 2009

  • 113 Answers

SOURCE: my 2003 chevrolet trailblazer is idleing rough when stopped

I would start by checking the oil level. See where it is at. Did you have the oil changed by a reputable oil change place or dealership? Let me know if the oil is at the correct level on the dipstick and we can go from there.

Posted on Jul 31, 2009

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1 Answer

My 2006 Trailblazer EXT LS gave a p0017 engine code. I replaced the camshaft sensor and it still has a rough idle and hesitates until you get up to 35mph. What should I do now?


Poo17 is for sensor b therefore you have a senor a on the cam as well and it maybe creating the problem. you need to check it as well. The code for cam senor a is poo16. If it runs rough when you start it you may have a bad idle air control or engine tem. control which tells the computer what the temp is outside and determines how much fuel is put into the engine. I would check the idle air control first.

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Aug 05, 2012 | 2006 Chevrolet Trailblazer

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My 2002 chevy trailblazer won't go over 3500 rpm it idle rough when in gear with brakes applied


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Feb 09, 2010 | 2006 Chevrolet Trailblazer

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2003 trailblazer trembles when on Drive but stopped, stops trembling when i put it in Neutral. How do i fix this problem


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Vacuum leaks. Leaking EGR or plugged PCV valve. Faulty idle control sensor.

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