11 Iúil 2010 · After changing the cats I was still getting a p0420 code along with a p2a03 and p2a00 so I started to research the cause of the codes and found spark plugs, intake leak, fuel …

3 Meith 2009 · I read the CEL with a code reader and came up with P2A03, generic for O2 Sensors. So I took the truck to a German Nissan Dealer for the CEL light for the...

14 DFómh 2010 · This is the second time this code has popped up in a week. The first time I went out and purchased a new oxygen sensor (Bank 2 Sensor 1) and replaced it. Approximately 200 …

22 Samh 2023 · Recently, I've been having a very annoying P2A03 (O2S 2/1 Rng/Perform) code pop up roughly every 30-40 miles. The engine is running fine, the gas mileage just tanks while …

8 DFómh 2020 · My truck recently threw the codes p2a03 pe, p2a03 pd, and p2a03. About 6 months ago one of my cats went bad and my mechanic cut It out, no codes were given un till …

14 Ean 2011 · Hey guys, Getting the dreaded P2a03 and I am on sensor # 2, had P2a00 a few weeks before which hasn't popped up since. Cleaned my MAF sensor, cleaned air filter replaced …

27 MFómh 2024 · I have a 2012 frontier 4.0, with a recurring code P2A03. I have replaced the A/F sensor re A/I and the O2 S1B2, also I have done a relearn on the A/F sensor. But the truck keeps …

4 Aib 2011 · Search my posts, P2A03 for me ended up being the metal gaskets between the CAT and exhaust, the only gasket between the upper and lower O2's, once I changed the gaskets …

26 DFómh 2016 · P2A03 Error Code Jump to Latest 20K views 10 replies 6 participants last post by Diml2001 Dec 16, 2019 N

26 Beal 2018 · Recently got this code for bank 2 sensor 1 air fuel sensor. Checked for leaks intake and exhaust (none present), exchanged maf sensors with 06 armada, replaced sensor itself, did …