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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > Error Codes



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      01-10-2015, 12:00 AM   #1
MacE90
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Error Codes

I had some mods installed (dp, fmic,) and switched over to Cobb to try out their Sport flashes. Stage 1 Sport logged well, timing was good, boost was typical to other people. I switched to Stage 2+ Sport and logs were similar to Stage 1 Sport. This morning the car ran fine and this afternoon I get a CEL and limp mode with the following codes:
ECU:
P2FAC
P2EFE
P2F03
P2EE0
P2EF1

I searched the Google machine and came up with a few references to P2FAC and how spark plug gap was the issue. The rest of the codes came back with little information. I uninstalled Cobb V3 and the codes have cleared and the car runs fine.

I just wanted to get this info out there in case someone has the need to search for these codes. Cheers

Note: I only have access to 91 octane and is the reason for only trying the Sport flashes.
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Last edited by MacE90; 01-21-2015 at 11:59 AM.
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      01-11-2015, 12:48 AM   #2
e92proper
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All these codes look like cat codes I think. Plug them into the search button here. Should get something.
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      01-12-2015, 01:48 PM   #3
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The only reference I found was to this thread....

http://www.e90post.com/forums/showth...ighlight=P2F03
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      01-12-2015, 04:49 PM   #4
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2FAC: Combustion miss, cylinder 5: Spark duration too short
2EFE: Random/Multiple Cylinder Misfire Detected
2F03: Cylinder 5 Misfire Detected
2EEO: Combustion misfiring, several cylinders: Fuel injection deactivation (2EE0, not 2EEO- )
2EF1: Combustion misfiring, cylinder 5: Fuel injection deactivation

I would first start looking at your plugs then coils, specifically CYL 5. Did you replace the plugs before installing the COBB? That would be the first thing I would do.
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File Type: pdf BMW N55 Diagnostic Fault Codes-1.pdf (1.49 MB, 209 views)
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      01-13-2015, 12:09 AM   #5
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I replaced both coils and plugs along with the mods. Thanks for the code break down. Guess I am going to pull some plugs and check the gap.
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      01-19-2015, 02:28 PM   #6
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So I inspected all my plugs and found them to be properly gapped for use in a modified engine (0.022"). All spark plugs had carbon build up. Cylinder #5 had the most build up and I noticed the retaining clip on coil #5 to be loose. All plugs and coils only have 2k miles on them. I replaced all six plugs and will continue to use the same coils in order to evaluated their effectiveness. I did not notice a fuel smell on any plug. I hope this yields more information and solution!
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      12-03-2017, 11:47 PM   #7
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I have the exact same codes on my N55 X5. I swapped the coil and spark plug from cylinder 1 but did not get anywhere.

The only thing i can figure is that the injector is bad? I dont know how likely bad fuel could be, but it happened shortly after a gas fill up.
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      12-06-2017, 12:52 PM   #8
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Quote:
Originally Posted by dennisvab View Post
I have the exact same codes on my N55 X5. I swapped the coil and spark plug from cylinder 1 but did not get anywhere.

The only thing i can figure is that the injector is bad? I dont know how likely bad fuel could be, but it happened shortly after a gas fill up.
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