Post cat O2 spacer for the win!
Alternative P0420 catalyst fix...
- Thread starter Jarpin
- Start date
Thanks to everyone who replied. I drove to work today still on the full tank of 93 premium with that Dura Lube®, cat cleaner additive, and the light went away 2 seconds after I started the vehicle this morning, and has been off. I'm periodically trying to floor it from a stop once a day after reaching normal operating temperature, just to burn out extra impurities should they exist. Seriously DID NOT think that it would work, but here I am. Should have sprung for the BG 44k, which I haven't used in over a year now.
