Question about 1993 Chevrolet Lumina
You might want to see if your cadilatic converters pluged alot of times that will cause too much back pressure if a check engine light came on than it might be your oyxgen sensor if not chances its something else but most likley its your catilatic converter
either wise you can check your plugs, wires, fuel filter, air filter, cap and rotor if it has one and even check the coil.
Posted on Aug 29, 2008
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