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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 > Limp Mode



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      06-03-2013, 06:35 AM   #1
divisionbell77
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Limp Mode

On my way to Nashville, doing about 75 to 80, slammed the gas to pass someone and went into limp mode. I was about in hour 5 of the trip in 80 degree weather. Had one stop during the drive to eat/fill up.

Mods are: JB4 and charge pipe. Yup, that's it.

Had it set on map 0 for the trip for gas and autoclear was turned on so no codes.

After I pulled off the highway and came to a stop, go out, opened the hood, saw no indication of anything wrong, fired up the car and did not see another limp mode.

Since it happened, i have turned off the autoclear(no codes yet).

What codes should I be looking for that indicate a typical problem that causes a limp mode?
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      06-03-2013, 07:29 AM   #2
emackin
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Are you runnning iso?
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      06-03-2013, 11:48 AM   #3
divisionbell77
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No, no ISO yet. Was waiting on doing that.

Got some codes now, no SES or CEL light but did a read codes on the dash anyways. First one was 3-0 which i found odd only 2. Rest are:

2-C-9-0
2-E-E-0 It stayed at 140(E) for longer than normal, so thinking 2 in a row.
2-E-F-4

I will hook my laptop up later to make sure these are right. I was at the airport picking up a co-worker and quickly jotted these down.
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      06-04-2013, 09:49 AM   #4
divisionbell77
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Confirmed codes are 2C90, 2EE0 and 2EF4

2EF4 is Map thermostat mechanism

2EE0 is Coolant temperature sensor, signal

Any info on if I am safe to drive back to Cleveland(8 hours) would be much appreciated.
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