I had this on again off again engine code when i first bought this car used. and i got the code read, misfire or cat converter. I ruled out misfire because the engine timing is good, and runs very smoothly at all speeds. The people at auto zone said it was the converter. I told them it seems to go away if i fill up the tank and everything. they say that next time i fill up to buy a thing of rubbing alcohol and dump it in. I was told there is oil plugging the converter up. THis worked surprisingly. For aboout a week or two. Now the engine light is back on, should i keep doing the rubbing alcohol thing?
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