Quote:
Originally Posted by M130ISWP
Had the car at another tuning place today. They found the fault thats causing the flat spot. Its the accelerator pedal module.
Its loosing voltage from 5 volts down to 2 volts during the acceleration between 3500rpm and 4300rpm.
Pic of pedal module on Realoem
Finally the flat spot has been resolved, after months of being at a few places to find the fault.
Thanks for your help guys, for what you suggested I should try
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That is an interesting turn of events. I am interested on the outcome. Btw... how much is a new gas pedal module? I assume no faults were ever stored. One would have to check the gas pedal voltage manually or thru a scan tool, as you moved the throttle thru its range. I have seen TPS (throttle position sensors go bad and never throw a code, I assume the gas pedal is the same thing).