E90Post
 


 
BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > P2AAF (Fuel pump plausibility) code with Cobb AP.



Reply
 
Thread Tools Search this Thread
      10-01-2011, 03:51 PM   #1
PeteW84
COBB'ed
PeteW84's Avatar
United_States
35
Rep
2,230
Posts

Drives: 13 Mini Cooper S
Join Date: Apr 2008
Location: Tinley Park, IL

iTrader: (1)

Garage List
2008 335i  [3.78]
P2AAF (Fuel pump plausibility) code with Cobb AP.

Hey folks, my car has been throwing the P2AAF code (fuel pump plausibilty) eversince I installed the AP two weeks ago. Is this a common issue, or is my recalled hpfp going south? The cars pulls like a mad ape, with no hick ups nor long cranks. No cels or limp modes at all. I can beat on it all day long, and still don't get any limp modes. The car is super smooth, pull after pull with no issues, besides the damn code that keeps coming back. So is anyone else having the same issue? I would love to hear from you, thanks a lot.
__________________


13 Mini Cooper S
08 E92 335i (SOLD)
Appreciate 0
      10-01-2011, 03:53 PM   #2
themyst
Major General
themyst's Avatar
South Korea
91
Rep
6,609
Posts

Drives: E90 335i LCI
Join Date: Feb 2009
Location: NYC

iTrader: (8)

Send a message via AIM to themyst
Yep a lot of us are throwing that code. Doesn't seem to mean the car is unhealthy in any way though.
__________________
E90 LCI N54 6AT
Appreciate 0
      10-01-2011, 04:20 PM   #3
statelax3
Private First Class
1
Rep
159
Posts

Drives: 335i
Join Date: Jul 2011
Location: charlotte nc

iTrader: (0)

mine throws it too. if you look at the log cobb has a low value of 625 for pressure. mine usually runs 600 at idle. no reason to be alarmed.
Appreciate 0
      10-01-2011, 04:22 PM   #4
Bleep
First Lieutenant
Bleep's Avatar
3
Rep
369
Posts

Drives: 335xi
Join Date: Jan 2011
Location: Brooklyn NY

iTrader: (0)

By itself the code isn't a cause for alarm. When it pops up along with some other code is concerning.
Appreciate 0
      10-01-2011, 08:23 PM   #5
PeteW84
COBB'ed
PeteW84's Avatar
United_States
35
Rep
2,230
Posts

Drives: 13 Mini Cooper S
Join Date: Apr 2008
Location: Tinley Park, IL

iTrader: (1)

Garage List
2008 335i  [3.78]
Thanks a lot guys .

__________________


13 Mini Cooper S
08 E92 335i (SOLD)
Appreciate 0
      10-02-2011, 08:51 AM   #6
bmwm3redblack
Captain
bmwm3redblack's Avatar
23
Rep
862
Posts

Drives: BMW ///M3 E46, BMW 335XI
Join Date: Jan 2011
Location: e13 osl

iTrader: (0)

My car is pretty much the same,runs like a beast no limps,but this code appears every time!!!
Appreciate 0
      02-20-2012, 06:52 PM   #7
bimmertt
Lieutenant Colonel
bimmertt's Avatar
31
Rep
1,681
Posts

Drives: 2007 e92 335i
Join Date: Nov 2008
Location: Earth

iTrader: (7)

Checked my car randomly today for any codes and saw that I had this code. Is this a bug? If so, has the firmware been updated to address it?
Appreciate 0
      02-20-2012, 07:12 PM   #8
bigdnno98
Major
bigdnno98's Avatar
United_States
14
Rep
1,118
Posts

Drives: Saving $$ for an F82 M4 :0
Join Date: Jul 2011
Location: Clarksville, TN

iTrader: (7)

I've gotten it since I've been tuned. Both Cobb and JB4. No issues from what I've been told.
__________________
99 Eclipse GSX 600HP pending sale
03 EVO 8 600HP Sold
09 e92 335i 440hp Sold
13 Maxima Slow
Appreciate 0
      02-20-2012, 07:23 PM   #9
rooringhusky
Objects in the mirror are losing
rooringhusky's Avatar
United_States
23
Rep
1,028
Posts

Drives: 2007 BMW 335i E92 AW/CR 6MT
Join Date: Mar 2011
Location: Socal (OC/Riverside)

iTrader: (13)

Garage List
2007 BMW 335i  [5.00]
Ive had this code ever since I have installed my Cobb AP...Car is still running strong without any issues

BUT it does always keep me worried in the back of my head that the fuel pump is dying or on its way out...
__________________
PERFORMANCE: JB4 G5 \ Backend Flash \ DCI \ BMS Downpipes \ CX FMIC \ ER Chargepipe \ Synapse BOV \ KW V2 \ Muffler Delete \ CDV \ ZHP Shifter \ Cyba Scoops
FUN: M3 Front \ Mtech Rear \ JL 10W6 \ ModMyNav \ V1 Hardwired \ LUX H8 \ Gloss Black Trim \ Gloss Black Roof \ Cyba Quads \ Cyba Mtech Diffuser
Appreciate 0
      02-20-2012, 07:24 PM   #10
rooringhusky
Objects in the mirror are losing
rooringhusky's Avatar
United_States
23
Rep
1,028
Posts

Drives: 2007 BMW 335i E92 AW/CR 6MT
Join Date: Mar 2011
Location: Socal (OC/Riverside)

iTrader: (13)

Garage List
2007 BMW 335i  [5.00]
Quote:
Originally Posted by bigdnno98 View Post
I've gotten it since I've been tuned. Both Cobb and JB4. No issues from what I've been told.
bigdnno98...now that I think about it I think I had the code when I ran the JB4 as well...Were in the same boat glad to know im not alone..!
__________________
PERFORMANCE: JB4 G5 \ Backend Flash \ DCI \ BMS Downpipes \ CX FMIC \ ER Chargepipe \ Synapse BOV \ KW V2 \ Muffler Delete \ CDV \ ZHP Shifter \ Cyba Scoops
FUN: M3 Front \ Mtech Rear \ JL 10W6 \ ModMyNav \ V1 Hardwired \ LUX H8 \ Gloss Black Trim \ Gloss Black Roof \ Cyba Quads \ Cyba Mtech Diffuser
Appreciate 0
      02-20-2012, 07:36 PM   #11
JamesM3M5
Some dude
United_States
30
Rep
1,774
Posts

Drives: E28 M5, E92 335i
Join Date: Sep 2011
Location: Northern VA

iTrader: (0)

http://www.e90post.com/forums/showpo...68&postcount=9
__________________
RRT Racing
E92 335i/6MT Dinan Stage 3: intercooler, oil cooler, intake, flash, exhaust, LW dual-mass flywheel.
Vishnu PWM methanol custom trunk mount, Diffsonline 3-clutch Salisbury custom diff, Ohlins Road and Track coilovers, Vorshlag camber plates, much more...
E28 M5 w/ buncha stuff, R171 SLK350
Appreciate 0
      11-14-2012, 07:27 PM   #12
D_Smiderreen
Banned
United_States
4
Rep
157
Posts

Drives: Please delete my account
Join Date: Nov 2009
Location: please delete my account

iTrader: (1)

Thatís weird, I was code free until I started messing around with E85 and the Cobb E30 maps. I hope itís not LPFP related
Appreciate 0
      07-15-2013, 10:39 AM   #13
Jeffman
Lieutenant
Jeffman's Avatar
7
Rep
449
Posts

Drives: 2008 335xi E90
Join Date: Jul 2010
Location: Somewhere in America

iTrader: (1)

Garage List
P2AAF code on E85 during WOT

Quote:
Originally Posted by D_Smiderreen View Post
Thatís weird, I was code free until I started messing around with E85 and the Cobb E30 maps. I hope itís not LPFP related
I also notice it only with E85 usage. I got it this morning just after two 2000-6000 WOT pulls in third gear. I'm running a mildly agressive (18 psi but not lots of extra timing) PTF E20 map. Didn't get this code earlier in the week during adaptations, grocery store "runs", etc. It looks like my LPFP dipped down to about 43 psi during the run, adn the HPFP dipped down to about 2200 psi. Anyone have any ideas?
__________________
Cobb ATR Self-Tuned E40 Map | Helix IC | BMS DCI | BMS Thermostat Delete | CP-E Charge Pipe | Forge DV | Apex Arc-8 Hyper Silver | Michelin PSS | Cool Carbon Brake Pads | SS Brakelines | Z4 35is 2-Piece Front Rotors | Alpina B3 TCU Flash | KW-V1 Coilovers | Strut Brace | Lux Angel Eyes | CF Kidneys | Scoops | Rockford Fosgate P300-2 | Earthquake SWS-8xi | iStreamer DAC | BavSound Stage 1 Speaker Upgrade | "Keep On A Rockin' Me Baby!"
Appreciate 0
      07-15-2013, 09:19 PM   #14
BMWM.D.
Stupid Idiot
BMWM.D.'s Avatar
27
Rep
745
Posts

Drives: E90 335i & C6 Grand Sport
Join Date: May 2009
Location: Santa Barbara

iTrader: (1)

Quote:
Originally Posted by Jeffman View Post
I also notice it only with E85 usage. I got it this morning just after two 2000-6000 WOT pulls in third gear. I'm running a mildly agressive (18 psi but not lots of extra timing) PTF E20 map. Didn't get this code earlier in the week during adaptations, grocery store "runs", etc. It looks like my LPFP dipped down to about 43 psi during the run, adn the HPFP dipped down to about 2200 psi. Anyone have any ideas?

I get this fault code stored when I run 30% ethanol, but never saw it when I was running 20% -- though I was on a less aggressive map on the 20%.

I wouldn't be too worried about this fault on it's own. I see this code on a lot of stock cars. BMW even has a service bulletin stating not to worry about it unless there are other fuel system related faults stored. As long as your AFR and fuel trims look good, I wouldn't be worried. It is a sign that you might be reaching the limits of the stock in-tank pump, though.
__________________
Appreciate 0
      07-15-2013, 10:21 PM   #15
BuraQ
BimmerPost Supporting Vendor
BuraQ's Avatar
United_States
121
Rep
3,551
Posts


Drives: 11" E92 335is / 12" E89 Z4
Join Date: Nov 2010
Location: Florida

iTrader: (0)

Garage List
I get this code when I go more than E25.
Appreciate 0
      07-16-2013, 10:28 PM   #16
Jeffman
Lieutenant
Jeffman's Avatar
7
Rep
449
Posts

Drives: 2008 335xi E90
Join Date: Jul 2010
Location: Somewhere in America

iTrader: (1)

Garage List
Quote:
Originally Posted by BMWM.D. View Post
I get this fault code stored when I run 30% ethanol, but never saw it when I was running 20% -- though I was on a less aggressive map on the 20%.

I wouldn't be too worried about this fault on it's own. I see this code on a lot of stock cars. BMW even has a service bulletin stating not to worry about it unless there are other fuel system related faults stored. As long as your AFR and fuel trims look good, I wouldn't be worried. It is a sign that you might be reaching the limits of the stock in-tank pump, though.
__________________
Cobb ATR Self-Tuned E40 Map | Helix IC | BMS DCI | BMS Thermostat Delete | CP-E Charge Pipe | Forge DV | Apex Arc-8 Hyper Silver | Michelin PSS | Cool Carbon Brake Pads | SS Brakelines | Z4 35is 2-Piece Front Rotors | Alpina B3 TCU Flash | KW-V1 Coilovers | Strut Brace | Lux Angel Eyes | CF Kidneys | Scoops | Rockford Fosgate P300-2 | Earthquake SWS-8xi | iStreamer DAC | BavSound Stage 1 Speaker Upgrade | "Keep On A Rockin' Me Baby!"
Appreciate 0
      08-20-2015, 10:16 PM   #17
J. Dub
Second Lieutenant
United_States
6
Rep
297
Posts

Drives: 2010 335i
Join Date: Jun 2010
Location: AR

iTrader: (0)

Just got this code today with p0303, and p29cf.
I'm also on cobb v3
Appreciate 0
      08-20-2015, 10:23 PM   #18
alexg212
Private First Class
4
Rep
125
Posts

Drives: 335is Coupe/Mustang Gt
Join Date: Oct 2013
Location: DFW

iTrader: (0)

I had this with my cobb tune, but with some hesitation sometimes. A new lpfp sensor resolved it.
Appreciate 0
      08-21-2015, 12:18 AM   #19
J. Dub
Second Lieutenant
United_States
6
Rep
297
Posts

Drives: 2010 335i
Join Date: Jun 2010
Location: AR

iTrader: (0)

Quote:
Originally Posted by alexg212 View Post
I had this with my cobb tune, but with some hesitation sometimes. A new lpfp sensor resolved it.
Strangely I have no hesitation. I cleared the codes and they haven't come back.
I'm wondering if I should get one step colder plugs perhaps?
Appreciate 0
Reply

Bookmarks

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Forum Jump


All times are GMT -4. The time now is 09:09 AM.




e90post
e90post
Powered by vBulletin® Version 3.7.0
Copyright ©2000 - 2015, Jelsoft Enterprises Ltd.
1Addicts.com, BIMMERPOST.com, E90Post.com, F30Post.com, M3Post.com, ZPost.com, 5Post.com, 6Post.com, 7Post.com, XBimmers.com logo and trademark are properties of BIMMERPOST