SOURCE: 2001 Chevy Prizm: Sluggish acceleration, recently replaced Cat.
Well 1 way to tell if it is the cat un bold the exhaust at the manifold or try and remove the oxygen sensors in front of the cat if it runs fine then you know that the cat is pluged
SOURCE: 97 Lumina dash warning lights stay on
For the security light you need to replace the ignition lock cylinder or bypass the security system. For the other two, you need to have the car scanned to see what codes are in the ecm and the abs module.
SOURCE: 1997 Chevy Lumina 3.1L Security Light Problem
check your inteior light switch. for a tempory fix remove the bulb
SOURCE: Chevy Blazer P0303 and P0420
Most probably and if a cat is not flowing proper is causes back preasure that can result in sticking or burned vavles,mechanic not nice by saying ignore the cat effiency code p0420.Can ussually have cat replaced at aftermarket muffler shop for approx. $200 cheaper than valve job or excessive fuel that you have used and damage that may occur to your engine.
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