Geo Prizm running rough


Old 04-04-03, 09:15 AM
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Geo Prizm running rough

I've got a 1994 Geo Prizm (1.6L). 4 fuel refills ago, my car started running really roughly approximately 100 yards away from the gas station. I have a definite power reduction (takes forever to hit 65 mph) and I'm afraid the car might shake itself apart when I'm idling.

I've tried using premium fuel and STP fuel additives, and they help it run a little better, but not much.

The check engine light has also started coming on and then going back off.

I can't get to a repair shop for another week, and was hoping for some ideas. I'm thinking it might be a bad oxygen sensor? If so, how easy is it to replace?


Last edited by ChuckJim; 04-04-03 at 09:56 AM.
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Old 04-04-03, 10:00 AM
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