This topic contains 0 replies, has 1 voice, and was last updated by 
JonathanBussey 8 months, 2 weeks ago.
-
Posts
-
Buick Enclave 2011 with P0420 code. Wish I could attach the graph reading of the O2 sensors. Basically, Bank1 O2 Sensor 2 is very choppy moving up and down in voltage compared to Bank 2 O2 Sensor 2, which shows much smoother. I replaced the Bank1 O2 Sensor a week ago. Code comes and goes.
You must be logged in to reply to this topic.