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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 > Need Help Error Codes



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      11-30-2011, 10:25 PM   #1
boosted335
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Need Help Error Codes

my mods are BMs DP, jb4


I have these error codes on
2D15 air mass gauge:measurment range
2CED throtle valve actuater:remains locked


please if anyone can help
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      11-30-2011, 10:34 PM   #2
boosted335
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Quote:
Originally Posted by boosted335 View Post
my mods are BMs DP, jb4


I have these error codes on
2D15 air mass gauge:measurment range
2CED throtle valve actuater:remains locked


please if anyone can help

I always have to reset these codes or my car wont boost properly, makes weird noise and cuts off the boost, i think shockin330i had same problem
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      11-30-2011, 11:02 PM   #3
Mike@N54Tuning.com
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Those are both rear o2 sensor codes. You probably damaged your rear o2 sensor installing the downpipes.

Mike
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      11-30-2011, 11:10 PM   #4
boosted335
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Quote:
Originally Posted by Mike@N54Tuning.com View Post
Those are both rear o2 sensor codes. You probably damaged your rear o2 sensor installing the downpipes.

Mike

hey mike thanks for feedback, u know when we installed the bms dp we didnt really do anything to the 02 sensors i dont know how they got damaged,,,, so even the throtle code reamains closed is a downpipe code
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      12-01-2011, 05:05 AM   #5
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u can look for the codes here -
http://www.e90post.com/forums/showpo...64&postcount=1
do a search on the pdf. you'll see the error.

check for leaks on ur exhaust system -
easiest trouble shoot'n is remove the tune, run it and see if ur
still get'n boost issues -

next.
u may want to check ur DP install - take on and off.
check and see if that DP is clamp'd on (turbo side) correctly.
double check if the O2 is screw'd on properly (remove and screw back on).
clear codes and run the bimmer - if proplem still exist, not
boost'n properly and codes.

then install the OEM DP, do some runs with and without the tune.
at that point if it's still an issue - final step is the dealer.

My guess would be DP leak.
btw, what fuel and/or additives have u been using?
unless u ran 110 lead'd race gas to many times and f'd ur
sensors the O2 should be fine.
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      12-01-2011, 08:57 AM   #6
Mike@N54Tuning.com
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Quote:
Originally Posted by boosted335 View Post
hey mike thanks for feedback, u know when we installed the bms dp we didnt really do anything to the 02 sensors i dont know how they got damaged,,,, so even the throtle code reamains closed is a downpipe code
The descriptions you put above with your codes are wrong. If you read them from the JB4 interface, you probably didn't check off that you have an N55 under settings.

Mike
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      12-01-2011, 09:34 AM   #7
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Quote:
Originally Posted by boosted335 View Post
my mods are BMs DP, jb4


I have these error codes on
2D15 air mass gauge:measurment range
2CED throtle valve actuater:remains locked


please if anyone can help
If that helps you, and others:

2D15: O2 Sensor Delayed Response - Rich to Lean (Bank 1 Sensor 2)
2CED: Oxygen sensor after catalytic converter, dynamics, from rich to lean: Slow response
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      12-01-2011, 08:39 PM   #8
boosted335
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Quote:
Originally Posted by Kalud View Post
If that helps you, and others:

2D15: O2 Sensor Delayed Response - Rich to Lean (Bank 1 Sensor 2)
2CED: Oxygen sensor after catalytic converter, dynamics, from rich to lean: Slow response
Thanksfor the info.i have n55 2011 she runs strong... I run 91 shell wit nos .sometime my car runs like champ then other times she hiccups.

I took those codes of the jb4 when my check engine carbon real quick I turned to.map.0 to.see what they are

Last edited by boosted335; 12-01-2011 at 08:46 PM.
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