Question about 2003 Chevrolet TrailBlazer

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2003 Chevy Trail blazer says service engin soon?

I have a lighted Message "service engin soon" all my flids are ok, 2003 Chevy trailblazer. Has 112,000 miles +

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  • Anonymous Mar 12, 2014

    service engine soon light came on, code read po147, reset light and service engine light stayed off, is it ok

  • Anonymous Mar 23, 2014

    2003 trailblazer running well now all sudden service engine soon light on and flashes upon acceleration

  • Anonymous Mar 24, 2014

    Service engine soon light on machine said because small gas leak

  • Anonymous Mar 29, 2014

    service brakes soon diplaylight

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You have a trouble code stored. This means the pcm has detected a problem somewhere

Posted on Aug 25, 2008

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Posted on Jan 02, 2017

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1 Answer

2003 chevy trailblazer service engine soon light


If the service engine soon light is flashing, it means the computer has detected an engine misfire with the potential of catalytic convertor failure. Don't just tune it up. Bring it somewhere they can read the trouble code. Sometimes it will designate which cylinder is having the problem.

Sep 24, 2014 | 2003 Chevrolet TrailBlazer

2 Answers

Co237 and co267 for 2003 chevy trail blazer


C0237 is related to the rear speed sensor and C0267 is related to the pump motor in the ABS system.

Feb 15, 2014 | 2003 Chevrolet TrailBlazer

1 Answer

My 2004 Trail Blazer is sputtering never had this problem before


Those check lights have been on all vehicles for
31 years now

Did you not check for codes?

Diagnose & resolve code related issues first

Aug 29, 2012 | 2004 Chevrolet TrailBlazer

1 Answer

2003 Chevy Trail Blazer Top brake light works along with turn signals, but no brake lights


It is the turn signal switch. You must remove the air bag and pull the steering wheel. Special tools are required and the airbag can cause serious injury if mishandled.

Oct 01, 2010 | 2003 Chevrolet TrailBlazer

2 Answers

Water pump change


188069_04trailblzrwaterpumpremuv_2.jpgclick on x to openupper right corner with about 5 bolts

Mar 12, 2010 | 2003 Chevrolet TrailBlazer

1 Answer

2003 Trail Blazer Tachometer .... I passed


The trailblazer / envoy vehicles have instrumentation problems. A sweep test with a scan tool will likely reveal a problem with the tachometer in your instrument cluster. It can be repaired by any number of dedicated repair facilities or the entire cluster can be replaced. I heard that there is a recall of these, but do not know for certain. It might be worth a call to a chevy dealer to see if it is.

Jan 14, 2010 | 2003 Chevrolet TrailBlazer

2 Answers

Chevy Trailblazer Engine very loud when starting


sounds like it could be your intake manifold gasket

Apr 29, 2009 | 2003 Chevrolet TrailBlazer

2 Answers

I changed the fuel filter


ok have you had the vehicle scanned?

Jan 06, 2009 | 2003 Chevrolet TrailBlazer

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