2013 GMC Sierra 1500 P015d P219B help
- Thread starter Treeone
- Start date
98trck
Member
found this on GM-trucks.com -
Here is everything you ever wanted to know about those codes:
P015D O2 Sensor Delayed Response - Lean to Rich (Bank 2 Sensor 1)
P219B Bank 2 Air/Fuel Ratio Imbalance
PETE