There's over 100 Chevy codes that will make it come on-you need to have code read
How do I reset the service engine light on a 2003 Chevy Trailblazer?
Problem with the emission system have vehicle scanned to determine the problem
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.
Usually a problem in the emission control system i.e. 02 sensor,
does anyone know where the sparkplugs are located on the engine on a 2003 Chevy trailblazer
That engine has 2 of them and you MUST remove the intake manifold to service the knock sensors.
Ford makes no 4.3. Please revise. Is this a Ford 4.0 or a Chevy 4.3?
Specs for main bearings on a 2003 Chevy trailblazer with 4.2 engine .
An engine diagram for the 2003 Chevy S10 with a 2.2 engine can be found in the maintenance manual. It can also be found in the repair manual to the car.
A flashing check engine light usually indicates a misfire. You need to check codes to know possible causes.
It is right behind the starter and bolted into the side of the engine block. You will have to remove the starter to service it.
5.3