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29f3 code...solutions?...please help low pressure fuel sensor
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View Poll Results: 29F3 Low Pressure fuel sensor code..tune? ....Fixed? | |||
29F3 LP fuel sensor code with Tune, Fixed | 7 | 35.00% | |
29F3 LP fuel sensor with Tune, wont go away | 10 | 50.00% | |
29F3 LP fuel sensor code Stock, Fixed | 1 | 5.00% | |
29F3 LP fuel sensor code Stock, wont go away | 2 | 10.00% | |
Voters: 20. You may not vote on this poll |
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12-05-2012, 02:47 AM | #23 | |
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There is SES light for the 29F3 (I guess because I have catless downpipe, the SES is on all the time) I checked the error code because I found out every time I start up the car, the RPM is very unstable for the first few seconds... And yes, I am FBO.. |
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12-05-2012, 07:04 AM | #24 |
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I replaced my sensor last night and did a couple of 3rd gear pulls afterwards. The 29F3 and 2AAF codes are gone and my AP is properly logging the LPFP again. Not an overly difficult job but it does get tight when it comes time to remove the sensor if you have normal size hands.
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12-05-2012, 04:01 PM | #25 |
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it's a lot easier if you take off the intake manifold, at least for me it was. i don't have normal sized hands i have a little bit bigger than normal sized hands and i couldn't pop the electrical piece off of the sensor.
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12-05-2012, 10:00 PM | #27 |
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Whats your trick since you have done hundreds of them to take that junction box off the manifold???? I tried for awhile and couldnt take it off so I just left it on and lifted the manifold until I was able to see the sensor and fit a 13/16 wrench in there.
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12-06-2012, 03:59 PM | #32 |
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12-06-2012, 04:08 PM | #33 |
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Anyone got a part number? I've been recently seeing this code come up on my car.
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12-06-2012, 10:40 PM | #34 |
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ecu
can the ecu be reset? like via COBB? or adaptations reset via JB4?
can someone help on what is needed to reset without the dealer? and how to reset? car off? |
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12-08-2012, 09:21 AM | #37 |
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I did not do any such reset, car performed flawlessly after changing an obviously defective sensor. It was stuck at 6.5bar (6500hPa), not moving. Later I also replaced the LPFP as a preventive measure.
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E92 335i/6MT with stuff and things |
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01-03-2013, 04:15 PM | #38 | |
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+1, I have an appointment for Saturday. Depending how much I'm quoted, I might be doing this on my own. The crazy thing is this happened after I stop running an e85 mix.
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01-03-2013, 09:59 PM | #40 |
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To replace the sensor? will be my reaction as I walk out the door. Guess I'll cancel my appointment tomorrow and try to find that sensor. Thanks.
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01-04-2013, 02:18 PM | #41 |
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13 53 7 614 317, just picked one up from the dealer for about $120. Will make a DIY soon whenever I get some free time since it sounds easy to do.
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01-04-2013, 02:31 PM | #43 |
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01-04-2013, 04:14 PM | #44 |
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I also threw P2AAF and 29F3 starting a few weeks ago. 2010 E92 N54 45kmi, Cobb stage 1 Agg. Initially dealership said P2AAF didn't require action.
Then over the holidays I was literally driving 1 block from dealership when car went into failsafe. Pulled over and saw P2AAF and P29F3 on Cobb, in addition to a new P29DC. Obviously a fuel issue. I was able to limp up the street to the dealer. They replaced low pressure fuel sensor and now all is well. My SA said that this is "becoming very common". Seems like a lot of people are having this issue. Is there a recall on this part? |
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29f3, low pressure fuel |
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