|
Re: P0420 diagnosis
try running engine higher than 2k rpm for 2 hrs to heat cats also helps to pump hose air into o2 sensor bungs while running to clean out cats Login to read more. 
iATN Members:
Login to read this message and participate Auto Repair Pros: Join iATN to read this message and others Vehicle Owners: Find a nearby iATN member to repair your vehicle 1 Replies Received (View Replies)1 Replies Received (Hide Replies) |
1 Replies Received
1 Replies Received
Video