It could be for many reasons. Since I haven't bought an OBDII scanner, yet, I take my Tahoe to an AutoZone. They will scan it for free and should be able to tell you the code number and what the problem is.
How do I reset the service engine light on a 2003 Chevy Trailblazer?
If installed properly and maintained, it will not be harmful.
Any major brand of SAE 10w30.
Maybe you should service the engine soon. :P
Depends on the year and the vehicle it is installed in from the factory.
Cylinder heads are installed on a Chevy 454 big block engine by placing the gasket down on the engine block and positioning the heads over the marking tabs. The bolts are then installed and torqued to specs in sequence.
Check
Yes the 350 Chevy V8 is the most common engine used in this application.
454 is total volume in cubic inches for all cylinders together. Chevy = Chevrolet. The brand.
That requires an OBDII engine scanner.
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.
can you tell me why my 1999-2000 Chevy trailblazer light is on