The check engine light comes on and stays on when a problem is detected by the self diagnosis system of your vehicle.
Generally, a check engine light is lit when there is a problem in the emissions or somthing that is affecting the effectiveness of the emissions.
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It happens only the highway at about 100 km/h.
How do you reset check engine light for the 2009 Chevy trail blazer?
It's not charging the battery. Check the alternator.
If there is no light at all in whole dash. first check the fuse second check the headlight control switch.
Check the brake light switch on the brake pedal. Might have to replace it.
You can either bring it in to a Chevy dealer or use a programmer/tuner to reset the check engine light.
If the check engine light is blinking that means an engine cylinder misfire has been detected
No.... You need to change the whole back tail piece
In the computer. If check engine light is on you can get them by plugging a reader into port under dash,.
Check
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