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08-15-2016, 05:22 PM | #1 |
Motor head
29
Rep 145
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Throttle not working when using breaks after Alpha n tune
I have had this problem since getting my ECU reflash and going to Alpha n tune and carbon airbox on my Z4M coupe race car. The throttle will not work when I am using the breaks. The only time I run into this problem is when I am heel and toeing on downshifts.
Has anyone else run into this problem? Has anyone come up with a fix? |
08-15-2016, 05:39 PM | #2 |
Captain
536
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Not sure if related, but:
"Simultaneous operation of accelerator and brake pedals This test module serves to detect whether the accelerator pedal mechanically jams or is otherwise difficult to move. This is determined by simultaneously operating the accelerator and brake pedals while the vehicle is being driven. The fault is set in the engine management system if a driver requests is detected via the accelerator pedal for at least 1.5 seconds and in relation to this there is a brake signal. Here, the brake pressure is used as a measured variable. This prevents braking deceleration being stopped by a jamming accelerator pedal. Effect: As long as the driver request and brake pressure are present, the vehicle does as follows: The engine management system reduces the driver request relative to the brake pressure. If the brake pressure increases, the driver request is taken back accordingly by the engine management system. Perceivable effects: like taking foot off accelerator pedal Possible customer complaint: - Inertia fuel shut-off while driving - Loss of power output - Increased, constant engine speed and/or mechanical snagging of accelerator pedal Requirements of the vehicle for setting the fault: Speed ≥ 8 kph No fault entries in the engine management system for the following component groups: - Accelerator pedal module - Brake light switch Procedure: The accelerator pedal module may only be replaced if there is an express customer complaint regarding increased, constant idle speed and / or a mechanically jamming accelerator pedal as well as the fault entry. The fault entry alone does not require component replacement! In the case of a multiple fault entry, the customer is to be informed of his or her possible incorrect operation (simultaneously operating the accelerator and brake pedals)."
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08-21-2016, 05:19 PM | #4 |
Captain
76
Rep 987
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Yeah this is not rare. I don't think Epic Tunes ever had this problem. If they did, they solved it quickly. Evolve tunes had the issue for a while but not anymore per customers on this site.
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