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The check engine light sets a code for diagnostics and you need a code reader. Most auto parts stores sell code readers and most will check the codes for free.
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How do you reset service engine soon light on 2003 Chevy trailblazer?
How do I reset the service engine light on a 2003 Chevy Trailblazer?
Check engine light is on engine bogs down 2002 Chevy trailblazer?
There are pages and pages of things that can cause a check engine light. You need to have it checked with a scantool. Then the code can be diagnosed and repaired.
Why Service engine light is on?
can you tell me why my 1999-2000 Chevy trailblazer light is on
How do you reset check engine light soon on 2003 Chevy trailblazer?
If you don't have a code reader you can disconnect the battery cable for a couple of minutes and that will reset the light
What can be a problem when service engine light is on on a 2003 chevy trailblazer?
When service engine light is on on a 2003 Chevy Trailblazer, the problem could be a faulty thermostat, a circuit range performance problem, or any other problem.
How do you check for check engine light codes for a 2005 Chevrolet trailblazer?
With a scan tool.
Will the headlights cause check engine light to come on in 2003 trailblazer?
No
Why is your 2003 Chevy Trailblazer missing?
Take it to a local PepBoys they can scan if you have a check engine light on and from there I can help you more with diagnosing a misfire incase you have multiple problems
03 Chevy Trailblazer check engine light is on and has a high idle and rpm won't go below 2?
It sounds like your fan clutch is bad.
How do you check the service engine soon light on Chevy trailblazer?
With a code reader. Have your local auto parts store read the code(s). They provide this service for free.
What do you do if the check engine light comes back on after replacing the speed sensor?
I had all sensors replaced in my 03 Trailblazer and the check engine light stiil comes on. Why?
How do you reset check engine light for the 2009 Chevy trail blazer?
How do you reset check engine light for the 2009 Chevy trail blazer?
