In the morning when you lightly touch the gas the motor seems to have a miss but goes away with heaver acceleration. I don't know if the 0420 code has anything to do with it. I replaced all 3 of the 02 sensor and added a adapter to the 02 after the cat since I had to hollow out the cat. The check engine light comes back on every several thousand miles.
Sunday, December 9th, 2012 AT 1:16 AM