Question about 2003 Chevrolet TrailBlazer

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What would cause a 2003 chevy trail blazer to drive sluggish and the rpm not go above 3 even when the gas peddal is all the way to the floor?

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The engine light should be on. You need to find out what the code/s are to go further. Codes can be a very helpful tool in repairing a vehicle.
Posible causes for this issue could be: Timing is off, ignition component is defective (could be bad plugs, coils, injectors, water in the fuel). There could be a restriction in the fuel filter. The CAT could be clogged.

Posted on May 14, 2010

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The Catalytic converter, sounds like the converter is stopped up, have that checked out. You can get an idea by (starting with the engine cold) start the engine and run it for 8 - 10 minutes then feel the exhaust pipe going into the converter and then going out of the converter (you will have to get under the car enough to feel the pipes). if it is clear and normal- the pipes will feel the same temp (a little hot to the touch), but if the converter is stopped up, the inlet will be much hotter than the outlet.

Posted on May 14, 2010

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I agree with the 2nd solution but I think there is a faster and better way to check out the catalyst converter: go under the truck and look in catalyst for burned color, if catalyst seem to be burned of somewhere, go to catalyst shop and tell to the mechanic about the catalyst appearance! good luck!

Posted on Jun 30, 2011

  • Ruben Bustamante Jun 30, 2011

    check the catalyst converter, go under truck and look for burned appearance in catalyst, if looks like burned go to catalyst shop and repleaced it, good luck!

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