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www.topix.com > California > San Diego County > Oceanside Dec 23, 2011 - 2003 Chevy Trailblazer-CHECK ENGINE LIGHT AND REDUCEDENGINE POWER ... The reduced engine power ligth comes on and I lose power. ...Next, the fan clutch failed -- which is when he did an "above and beyond" .... yesterday I have not replaced anything bc they have told me nothing is wrong.
First, add coolant to your reservoir and radiator if needed. (Should turn "Low Coolant" light off) Second, go to Advanced Auto, ask for a OBD II meter to clear the "Service Engine Soon" light (Their free to use). Third, might have water in your gas tank. Get some "HEET" and put it in your gas tank. Until the water is gone, you might have to clear the light more than once.
Remove the wire from the negative terminal on the battery and wait a few minutes, then reconnect the wire. This will "reset" the computer and remove the check engine light. If the light comes back on, take it to a Mazda service center and let them read the code. They will be able to tell you what is wrong. Pepboys, Autozone....arent always the smartest cookies and are wrong more than they are right.
No fuses control those lights, and while I'd ignore the service engine, check engine suggests something is wrong and should not be ignored! You could buy yourself a nanocom or similar and reset your service light and read the fault code to tell if the check engine is an intermittent error or something potentially more serious!
There is something wrong, they may not have had the correct equipment for your car. Even if they had the right scanner and it said nothing....means there is something wrong if the light is on. The computer doesn't put that light on for fun. I would try somewhere else, a lot of auto parts stores will check it for free.
I am by no means a mechanic, but my car is in the same state at the moment. My car runs good and everything is working fine. The only way to find out what is wrong is to have it hooked up to a diagnostic machine. It costs about $100 dollars at the mechanic. Probrobly a sensor that may need to be replaced. Mine is a failure in the Cam sensor connection.