Question about 2002 Chevrolet TrailBlazer

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Started hesitating and service engine light started flashing

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  • 57 Answers

Check the EGR valve to see what is wrong.

Posted on Mar 15, 2011

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Posted on Jan 02, 2017

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SOURCE: car seemed hesitant when started service engine soon light on

There are many things that can cause the light to come on. Generally if it is serious most 'check engine' or 'service engine' lights will blink. The simplest (and cheapest) method to diagnose the problem is to take the car to AutoZone and they will read the computer codes free of charge and tell you exactly what it is (such as the oxygen sensor got a bad reading and needs a reset, or its time for an oil change... etc.)

Posted on Nov 13, 2009

ronaldo_ross
  • 1056 Answers

SOURCE: service light on no power engine hesitates when

Read the code. Hesitation problem is usually caused by a bad TPS, or any sensor connected along with it.

Posted on Nov 14, 2009

  • 395 Answers

SOURCE: flashing service engine soon light

sounds like the 0xygen sensor or Egr value

Posted on May 05, 2010

  • 1 Answer

SOURCE: Service Engine Light Flashing in 2003 Grand AM

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Posted on Jul 17, 2010

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SOURCE: Car started to hesitate upon

You will have to get the trouble codes read to find out what is causing the vehicle to hesitate and the check engine light to illuminate.

Posted on Jan 05, 2011

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There are many things that can cause the light to come on. Generally if it is serious most 'check engine' or 'service engine' lights will blink. The simplest (and cheapest) method to diagnose the problem is to take the car to AutoZone and they will read the computer codes free of charge and tell you exactly what it is (such as the oxygen sensor got a bad reading and needs a reset, or its time for an oil change... etc.)

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