1 like 0 dislike
2.3k views
by

I have an engine code P2A01 Bank 1 Sensor 2 Performance on my 2005 GMC Sierra 5.3L

Vehicle: 2005 GMC Sierra 5.3L

1 Answer

0 like 0 dislike
by (8.3k points)
 
Best answer

You must replace the rear O2 sensor Bank 1 (driver side, downstream)

P2A01 GMC - O2 Sensor Circuit Range/Performance Bank 1 Sensor 2
Read more: https://www.autocodes.com/p2a01_gmc.html

2005 GMC Sierra Oxygen Sensor (O2) Location

Related questions

1 like 0 dislike
2 answers 2.5k views
1 like 0 dislike
1 answer 739 views
1 like 0 dislike
1 answer 392 views
1 like 0 dislike
2 answers 1.4k views
1 like 0 dislike
1 answer 479 views

36.2k questions

32.2k answers

1.3k comments

22.8k users

Need A Repair Shop?
Find local automotive repair shops in your area.
Does your car have Safety Recalls? → Check here
...