How do I reset the service engine light on a 2003 Chevy Trailblazer?
can you tell me why my 1999-2000 Chevy trailblazer light is on
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.
With a code reader. Have your local auto parts store read the code(s). They provide this service for free.
To reset the service engine light on a 2003 Chevy Trailblazer, you can use an OBD-II scanner to clear the trouble codes. Alternatively, you can disconnect the negative battery cable for about 15 minutes to reset the system. After reconnecting, ensure that the light is off; however, if it reappears, it indicates an underlying issue that needs addressing. Always consult a mechanic if you're unsure about the cause of the light.
The "Reduced Engine" Warning Light alerts drivers when/if there is a serious problem with the transmission and/or one or more of the engine system components.
In US it says "SERVICE ENGINE SOON" in Canada it looks like an engine.
Maybe you should service the engine soon. :P
how do you replace side marker light on 2008 chevy trailblazer
Check
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.
The symbol of a wrench and an oil can on the dash of a Chevy Trailblazer means that your vehicle needs oil. If the light doesn't go away oil is added, you need to take your vehicle in for service.