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Engine fault! Reduced power (2C01 and 2BF8)
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03-16-2016, 03:43 PM | #1 |
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Engine fault! Reduced power (2C01 and 2BF8)
Hey, guys!
Lately I'm having a repeating error message: "Engine fault! Reduced power. Full engine power no longer available. Possible to continue journey. Drive moderately. Have the problem checked by the nearest BMW service." I ran a check and the following codes came up: 002C01 - High pressure fuel, plausibility Pressure too low 002BF8 - Rail pressure sensor, signal: Permanently stuck and 00A8F9 - CBX-MEDIA: Software reset (I guess this one is because of a software reset I asked for, in order to have the latest updates and solve a lag problem I had while driving away in D mode). I'm sure that, unfortunately, I'm not the only one having these errors. How did you fix the problem, was it only the HPFP or another part also? Thanks! |
03-17-2016, 08:54 AM | #2 |
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Drives: 2011 335i xDrive Msport
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I have seen several people posting about the first code recently. I know one person was replacing the sensor. Do some searching on that code in here and N54tech and you should be able to get some more info. I don't remember him posting more after doing the sensor so that may have fixed his problem.
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03-29-2016, 09:54 PM | #3 |
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Do you have a JB4 by chance?
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/ MHD Stage 2+ / AR CATLESS DP / PE MOD 4 INCH TIPS / BMR FMIC / K&N DROP IN / BMS CP / |
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11-05-2018, 10:57 AM | #5 | |
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Quote:
If your car is going in and out of limp mode, your HPFP is probably going out. When my car was doing this a month or two ago, I was also getting the rail pressure sensor code, but once I replaced the HPFP I never saw it again. Sometimes when the pump goes out the sensor will send a "false fault".
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