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BMW 3-Series (E90 E92) Forum
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2CFB/2D09
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10-10-2013, 07:44 AM | #1 |
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Drives: 2009 335i
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2CFB/2D09
so started my car and i started throwing codes. this is what i had
2CFB Throttle valve adaptation value 2D09 butterfly valve I left my car out last night and it got cold 44F, car haas 25K on it. any ideas?
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09 335i Sport --MHD (Tune by Wedge )--Inlet System by Trueform Technologies --Tial BOV--Macht Schnell Catless Downpipes--AMS FMIC--Walbro 455 LPFP--HPF Gen2 Exhaust--SPEC Stage 3+ clutch / billet steel flywheel--
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10-10-2013, 09:43 AM | #2 |
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Stock? Do you have a charge pipe? Are you running a tune? Try resetting throttle adaptations and starting the car. If it's still there try unplugging the sensor on the throttle body and re plugging it back in.
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10-10-2013, 09:47 AM | #3 |
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Running a tune, stock charge pipe. Never thought of resetting the throttle adaptations .
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09 335i Sport --MHD (Tune by Wedge )--Inlet System by Trueform Technologies --Tial BOV--Macht Schnell Catless Downpipes--AMS FMIC--Walbro 455 LPFP--HPF Gen2 Exhaust--SPEC Stage 3+ clutch / billet steel flywheel--
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10-10-2013, 10:31 AM | #4 | |
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Quote:
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10-10-2013, 10:42 AM | #5 |
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At the dealer they are looking into it currently
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09 335i Sport --MHD (Tune by Wedge )--Inlet System by Trueform Technologies --Tial BOV--Macht Schnell Catless Downpipes--AMS FMIC--Walbro 455 LPFP--HPF Gen2 Exhaust--SPEC Stage 3+ clutch / billet steel flywheel--
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01-20-2014, 10:42 AM | #8 |
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Quick update...
So this all started after removing my chargepipe to replace my intake air temp sensor that sits on the chargepipe just before the throttle body. REALOEM calls this part a pressure sensor as well as the one on the intake manifold but from what i understand the one on the CP is an INTAKE AIR TEMP sensor. So... I also removed the Throttle Body TB and cleaned it out real good by movingthe blade around to clean under the edges of the blade. I suspect this caused calibration issues?? I checked the white drivers side sub connector. Everything seemed fine. The problem still existed. However, as soon as I issued a Throttle Adaptation Reset the problem went away... Throttle Reset. DONT TOUCH THE BRAKE! PUT THE KEY IN THE IGNITION PRESS GAS PEDAL ALL THE WAY TO THE FLOOR PRESS THE START BUTTON ONCE (DO NOT TOUCH THE BRAKE. YOU DON'T WANT THE CAR TO ACTUALLY START) HOLD THE PEDAL TO THE FLOOR FOR 30 SECONDS RELEASE PEDAL TURN IGNITION OFF, REMOVE KEY WAIT A FULL 2MINS RESTART CAR I hope this solved it. If not the next step is to order a new TB.
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07-25-2014, 03:36 PM | #9 | |
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07-26-2014, 08:26 AM | #10 |
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Throttle Adaptation reset usually works, but if the problem persists then check the GREY connectors in the DME. That is where the throttle wiring is located. Good luck
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03-07-2017, 09:02 AM | #11 |
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+1 for throttle reset. I decided to reset all my adaptations usifoa hand held for some reason then I ended up getting the same codes. This was the first post that popped up when I typed it into Google. Tried it and it worked the first time. Thanks vertigo44!
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08-23-2023, 10:34 PM | #12 |
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Years later I’m doing the same google search today
I got half engine light and same throttle codes The car would surge/vibrate and when I finally got to the shoulder rpms bounced 2k to 500 and so on This reset got me back on the highway. It works. FYI MHD throttle reset was the first thing I tried and properly waited the 30 seconds but no go. Thought I’d post for the next person |
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08-23-2023, 11:49 PM | #13 | |
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I had very poor off-idle throttle response and in my quest to fix, I reset throttle adaptations using INPA. That seemed to work great so I drove to work no problem, and it felt significantly better. Then when leaving to go get lunch, I started the car and the idle was bouncing just as you describe and the car was undriveable. I shut down, cleared the codes with INPA (still had the laptop and cable with me) and the car started up and has been fine ever since. |
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04-18-2024, 11:26 AM | #14 |
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I have the same problem cannot solve it
I clear the code Try to restet adaptation Try other throttle body Getting new dme and re problem it Check the wire connector between throttle body and DME Swap the engine Still the check engine did not went |
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