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January 21st, 2012, 09:04 PM
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#1 |
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Very homosexually
1998 Mustang BASE
17.3
Join Date: Dec 2011
Location: Chicago
Posts: 193
 iTrader: 0 reviews
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P0420 on stock v6
I'm consistantly getting a code P0420 on my car. I been having this MIL for a few months now and I replaced all my o2 sensors when I did my tune-up. I have no blow by, or anything coming into the exhaust. Could this mean my cats in bank 1 are going bad, It doesn't smell like a lawnmower or rotten eggs for the most part. The car backfired once before on me when I started it, but when the check engine light came on, the car runs better. No misfires or anything
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