12-29-2010, 10:47 PM
flintster55 Wrote:Just curious, why do you think the cheap gas caused a cat efficiency code? Do you still have all the stock cats or have you started down that slippery slope yet?
Everything is stock, and here's why I think it was gas:
Fill up with shit 7-11 gas, code appears.
Empty 7-11 tank, put in shell tank, code disappears. Nothing else has changed, so Occams razor says it was the gas...
1987 Oldsmobile Cutlass 442