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BMW 3-Series (E90 E92) Forum
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Engine reduce speed
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04-20-2011, 09:56 PM | #1 |
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Engine reduce speed
Hi, So here is my problem i was driving today and all of a sudden my engine reduced power light comes on and i loose some power. But i still have about 15min of drive home so i try to rush home and 5 min into it i got no power i could only go 30km so after about 40 min i get home and i use the bt to check for code and i get this. I have no idea what needs to be changed?
Any help would be great e90 2008 3281 2A3F: Error will not cause a warning light Error is currently present Test conditions have not been completed Signal or value below threshold Freeze Frame Information Event 1Odometer 33672kms 20922miles voltage Kl. 87 14.52 V status motor control 2.00 0-n deviation Lambda probe from Lambda model value monitoring 0.00 - 2A77: Error will cause a warning light Error is currently present Test conditions have not been completed Signal or value below threshold Freeze Frame Information Event 1Odometer 33672kms 20922miles deviation Lambda probe from Lambda model value monitoring 0.00 - status motor control 2.00 0-n |
04-20-2011, 10:17 PM | #2 |
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Looks like an O2 sensor problem. Doesn't specify which bank it is though. If your wiring checked out, looks like you'll need an O2 sensor. But with out the full details, I wouldn't be able to give you a straight answer.
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04-20-2011, 10:41 PM | #4 |
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It honestly shouldn't. I have rarely seen an N52 go into limp mode over an O2 sensor. The sensor is a probe/monitor. Does it specify which bank it happened on? What tool are you using to diagnose?
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'15 E84 X1 35i M Sport MPI DME Flash - K&N drop in - MPI Chargepipe - Oil T-stat valve - ETS 5" I/C - N54tuning 3.5" downpipe - catless mid section - Dinan 135i rear exhaust - Apex ARC8 18x9/10(255/295 tires) - H&R Sports - Bilstein B6's - F3x M Performance brakes '02 E39 530i 624whp/558ft-lbs @23psi |
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04-20-2011, 10:50 PM | #5 |
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I'm using the bavarian technic pro...i think it said bank 1..i'm going to look for loose connection tomorrow and see..but before i used the bt tool i used a reg obdII reader and that one said P1056 vvt supply voltage control and P105b Internal control module vvt error voltage too low, i cleared them and the error code didn't come back. I'm only left with 2A3F and 2A77
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04-20-2011, 10:58 PM | #6 | |
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Quote:
Also see if you can get a replacement Bosch sensor from a local auto parts store. Its much cheaper and the SAME exact sensor without the BMW stamp on the connector. Let me know the outcome. Best of luck to you. I hope this has helped.
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'15 E84 X1 35i M Sport MPI DME Flash - K&N drop in - MPI Chargepipe - Oil T-stat valve - ETS 5" I/C - N54tuning 3.5" downpipe - catless mid section - Dinan 135i rear exhaust - Apex ARC8 18x9/10(255/295 tires) - H&R Sports - Bilstein B6's - F3x M Performance brakes '02 E39 530i 624whp/558ft-lbs @23psi |
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04-20-2011, 11:02 PM | #7 |
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04-20-2011, 11:06 PM | #8 |
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I would need to know if it's bank1 pre or post O2 sensor. More than likely it's #1.
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'15 E84 X1 35i M Sport MPI DME Flash - K&N drop in - MPI Chargepipe - Oil T-stat valve - ETS 5" I/C - N54tuning 3.5" downpipe - catless mid section - Dinan 135i rear exhaust - Apex ARC8 18x9/10(255/295 tires) - H&R Sports - Bilstein B6's - F3x M Performance brakes '02 E39 530i 624whp/558ft-lbs @23psi |
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04-21-2011, 06:49 PM | #11 |
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Good job, no codes came back?
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'15 E84 X1 35i M Sport MPI DME Flash - K&N drop in - MPI Chargepipe - Oil T-stat valve - ETS 5" I/C - N54tuning 3.5" downpipe - catless mid section - Dinan 135i rear exhaust - Apex ARC8 18x9/10(255/295 tires) - H&R Sports - Bilstein B6's - F3x M Performance brakes '02 E39 530i 624whp/558ft-lbs @23psi |
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08-24-2012, 11:21 PM | #13 |
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dam it i have the same issue try everything i can think of
check all fuses change the batt check for a short still nothing plz any help would be great 2009 bmw 328xi same codes |
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10-15-2012, 12:57 PM | #14 |
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Had the same problem. One of the fuses of the fuse block in the luggage compartment on top of the battery was blown. It's the fuse for the wire that goes to the 40A fuse in the ECM compartment. Had to replace the fuse block on top of the battery.
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10-15-2012, 04:48 PM | #15 |
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Had the same problem. One of the fuses of the fuse block in the luggage compartment on top of the battery was blown. It's the fuse for the wire that goes to the 40A fuse in the ECM compartment. Had to replace the fuse block on top of the battery.
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10-11-2013, 12:32 PM | #16 |
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Limp mode 2A77 2A3F Valvetronic actuator error?
Hi, Just to clarify are you saying you replaced the entire red battery distribution box that slides over the actual battery in the trunk? I have the same issue but it seems more intermittent and if I reset the ECU the car seems to start and run fine though I'm afraid I'll be stranded back in Limp mode. Also I thought the Valvetronic actuators were only in the M3's Not the 328xi...
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