2003 chevy trailblazer!!!! If you know your tunup is it to date I would go buy some chevron supreme and add the techron fuel system cleaner to the fuel and do this for a couple tanks. I'm assuming you
2003 chevy trailblazer service engine soon light flashing If the service engine soon light is flashing, it means the computer has detected an engine misfire with the potential of catalytic convertor ...
Question about Cars & Trucks
...2003 chevy trailblazer 124098 miles 4.2 liter v6 also had new cat converter put on it and engine light still blinks the truck did sit for a long time if that points in any direction, and rpm dips ...
Question about Pontiac Grand Am
chevy trailblazer, hooked up a code scanner and shows multiple random misfires doesn't give specific cylinder. p0300 code. I changed the spark plugs. no help. Don't really want to replace all the coil
...2003 chevy trailblazer Cylinder #4 misfired You didn't mention what engine size or really a question either but am just guessing that you may need help diagnosing the problem. I'm going to go ...
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