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      11-21-2012, 07:03 PM   #1
Catalina Wine Mixer
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help! my car sounds like its going to blow up!!! (video inside)

My car has been running fine but I decided to take the cobb tune off after I uninstalled it the unexplainable happened... Its a 335i 6spd eith 49k miles the only other performance mod I have is an intake.
I troubleshoot and these are the errors/codes P29F3 : Fuel pressure sensor, electric
P2D09 Throttle control-faulty air (group error for TPS)
P2CFB: Choke adaption value
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      11-21-2012, 07:23 PM   #2
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ok heres the video
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      11-21-2012, 07:29 PM   #3
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Uninstalled or MAP 0?
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      11-21-2012, 07:29 PM   #4
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Uninstalled or MAP 0?
I set it to map 0 than uninstalled
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      11-21-2012, 07:31 PM   #5
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I set it to map 0 than uninstalled
Try posting in the modified section. May get better help. Contact COBB ASAP.
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      11-21-2012, 07:32 PM   #6
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Does the COBB recognize the ECU when plugged back in?
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      11-21-2012, 07:32 PM   #7
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Try posting in the modified section. May get better help. Contact COBB ASAP.
I am thinking about setting it back to stage 1 because it does not require me to start on the car maybe it will change something not sure...
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      11-21-2012, 07:40 PM   #8
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Does the COBB recognize the ECU when plugged back in?
It starts up and everything but its not installed at the moment I troubleshoot and these are the errors P29F3 : Fuel pressure sensor, electric
P2D09 Throttle control-faulty air (group error for TPS)
P2CFB: Chole adaption value
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      11-21-2012, 07:43 PM   #9
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Check the HPFP sticky and see if there is a relation. COBB Uninstall may just be a coincidence

Search codes, good luck, sorry not much help.
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      11-21-2012, 07:45 PM   #10
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Quote:
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Check the HPFP sticky and see if there is a relation. COBB Uninstall may just be a coincidence
okay thanks
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      11-21-2012, 07:51 PM   #11
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yea really seems like an hpfp type of issue. May be just a coincidence, I'd seek codes? BT reader?
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      11-21-2012, 07:59 PM   #12
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yea really seems like an hpfp type of issue. May be just a coincidence, I'd seek codes? BT reader?
I troubleshoot and these are the errors P29F3 : Fuel pressure sensor, electric
P2D09 Throttle control-faulty air (group error for TPS)
P2CFB: Choke adaption value
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      11-21-2012, 08:04 PM   #13
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p29f3 code - fuel pressure sensor fault
could be LPFP
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      11-21-2012, 08:04 PM   #14
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Quote:
Originally Posted by Catalina Wine Mixer View Post
I troubleshoot and these are the errors P29F3 : Fuel pressure sensor, electric
P2D09 Throttle control-faulty air (group error for TPS)
P2CFB: Choke adaption value
Have you tried S1 again?
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      11-21-2012, 08:06 PM   #15
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P29F3 : Fuel pressure sensor, electric is the low pressure fuel pump
Mine actually did that on start up but at slower intervals fixed the pump at the dealer it seems fine now
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      11-21-2012, 08:18 PM   #16
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Quote:
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P29F3 : Fuel pressure sensor, electric is the low pressure fuel pump
Mine actually did that on start up but at slower intervals fixed the pump at the dealer it seems fine now
Wrong 29F3 is a faulty fuel pressure sensor. That needs to be changed out. As for the crazy throttle at idle. What you do is turn ignition on the ON position which light on cluster is lite and then just press the throttle and hold for like 10 seconds and then shut off the ignition while foot is pressed. If this doesn't work disconnect the battery for like 15 minutes. That should address the freaky idle
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      11-21-2012, 08:26 PM   #17
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Wrong 29F3 is a faulty fuel pressure sensor. That needs to be changed out. As for the crazy throttle at idle. What you do is turn ignition on the ON position which light on cluster is lite and then just press the throttle and hold for like 10 seconds and then shut off the ignition while foot is pressed. If this doesn't work disconnect the battery for like 15 minutes
ok I reinstalled cobb and it started up fine only throwing P29F3 Code which is fuel pressure sensor. I noted the red service engine light comes on upon start up but goes away. I am setting it back to stage 0 again and hopefully the car can function normally enough to take it to the dealer..
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      11-21-2012, 08:30 PM   #18
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Quote:
Originally Posted by Catalina Wine Mixer View Post
ok I reinstalled cobb and it started up fine only throwing P29F3 Code which is fuel pressure sensor. I noted the red service engine light comes on upon start up but goes away. I am setting it back to stage 0 again and hopefully the car can function normally enough to take it to the dealer..
Listen uninstall it and then do as I said the throttle adaptAtions are all screwed up. Resetting it should fix it. The 29f3 needs to be addressed as it will eventually cause car to run like crap.
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      11-21-2012, 09:19 PM   #19
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Listen uninstall it and then do as I said the throttle adaptAtions are all screwed up. Resetting it should fix it. The 29f3 needs to be addressed as it will eventually cause car to run like crap.
I have the car put back to stock and as I said the only code that pops up is the fuel pressure sensor. When the car stars the red service lights comes up than goes away. Do I need to unmarry the device from the car?
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