Search found 5 matches
- Mon Jul 09, 2012 3:43 pm
- Forum: R51 Engine, Driveline and Powertrain
- Topic: OBD Code P1271 Air Fuel Ratio
- Replies: 8
- Views: 13279
So I finally got around to changing the bank 1 a\f sensor. Performance has drastically improved as well as gas mileage. The last time I drove the pathy before changing the sensor my SES light came on while attempting to accelerate. Checked it again with OBD reader and pulled code P0300. All codes ar...
- Tue Jul 03, 2012 5:29 pm
- Forum: R51 Engine, Driveline and Powertrain
- Topic: OBD Code P1271 Air Fuel Ratio
- Replies: 8
- Views: 13279
So it turns out I did right down the wrong code but it was P1271. Still indicated air fuel ratio sensor 1. Took a picture of the O2 sensor readings while traveling 90 kmh but can't seem to attach it using my iPhone. Here are the readings: O2B1S1 .305 O2B1S2 .930 O2B2S1 .610 O2B2S2 .650 O2B1S1 never ...
- Mon Jul 02, 2012 5:06 pm
- Forum: R51 Engine, Driveline and Powertrain
- Topic: OBD Code P1271 Air Fuel Ratio
- Replies: 8
- Views: 13279
- Sun Jul 01, 2012 6:08 am
- Forum: R51 Engine, Driveline and Powertrain
- Topic: OBD Code P1271 Air Fuel Ratio
- Replies: 8
- Views: 13279
Thanks for the quick response!! I probably did right down the wrong code...lol. I was at a buddy's that has and OBD reader. I will try and get back over there in a couple day's to confirm the code. Just have a few more questions. So is there 2 air\fuel ratio sensors and 2 O2 sensors in the R51's? Is...
- Fri Jun 29, 2012 9:00 am
- Forum: R51 Engine, Driveline and Powertrain
- Topic: OBD Code P1271 Air Fuel Ratio
- Replies: 8
- Views: 13279
OBD Code P1271 Air Fuel Ratio
Hey Everyone, New to the forum, I have a 2005 Pathfinder SE Offroad that I got about a year ago. From reading some of the posts on the forum I have had the usual problems....Rad went... tranny replaced (under warranty), fuel level sensor (replaced under warranty), rear a\c lines corroded and leaking...
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