Having problems with your 2005 Cadillac STS ?
I HAVE A 2005 STS V8 THE CHECK ENG, LIGHT CAME ON CODE SAY,S O2 SENSOR OR RICH FUEL, AN CHECK GAS CAP WHICH I DID. QUESTION I ADDED A FUEL CLEANER SEA FOAM AN THE FOLLOWING DAY THE LIGHT CHEK ENGINE CAME ON CAN THAT CAUSE THE PROBLEM THE FUEL CLEANER?
YES it can burn up the oxygen sensor
Repair Help & Product Troubleshooting for 2005 Cadillac STS
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