350VortecSSCT
OBS Enthusiast
I'm throwing codes p0420,430,327
327 is a knock sense, bank 1 sense 1
Just had a new motor replaced by dealership, changing manifold gaskets they dropped a bolt in motor and started it...yep, answer for this issue? Plus I'm getting sputtering and backfiring
327 is a knock sense, bank 1 sense 1
Just had a new motor replaced by dealership, changing manifold gaskets they dropped a bolt in motor and started it...yep, answer for this issue? Plus I'm getting sputtering and backfiring
