engine code P0131 and P2251
2007 mazda 3
The engine fault codes are P0131 and P2251. How can I check and repair them?⏎
crwdns2934109:0crwdne2934109:0
crwdns2889612:0crwdne2889612:0
0
912058
crwdns2933313:01crwdne2933313:0
crwdns2934057:0crwdne2934057:0
crwdns2934065:0crwdne2934065:0: 511.8crwdns2936485:0crwdne2936485:0
11
394
1.5crwdns2936485:0crwdne2936485:0
Both codes relate to a problem with the upstream oxygen sensor (bank 1 sensor 1).
Here's a video that might help.
crwdns2934105:0crwdne2934105:0
crwdns2889612:0crwdne2889612:0
1
