DRKHORS
Well-Known Member
- Thread starter
- #1
Does anyone have any experience with their fuel pump making what I can best describe as a grinding/vibrating type noise after installing a BAP?
The main pump will make this noise for just a second or so when the ignition button is initially pressed (no foot on brake so no start), and then after the car starts, it will make the same noise for about 4 seconds. If I unplug/bypass the BAP, the fuel pump does not make this noise. My tuner did a tune revision that he said was to try and ramp in the BAP voltage later instead of being constant, but this made no difference. FWIW, it's an OEM 2018 pump...
I'm still working with my tuner on this, but wanted to see if any of you have had this experience and what was done to resolve it. I suspect the recommendation is going to be to replace the fuel pump and see if the issue persists.
The main pump will make this noise for just a second or so when the ignition button is initially pressed (no foot on brake so no start), and then after the car starts, it will make the same noise for about 4 seconds. If I unplug/bypass the BAP, the fuel pump does not make this noise. My tuner did a tune revision that he said was to try and ramp in the BAP voltage later instead of being constant, but this made no difference. FWIW, it's an OEM 2018 pump...
I'm still working with my tuner on this, but wanted to see if any of you have had this experience and what was done to resolve it. I suspect the recommendation is going to be to replace the fuel pump and see if the issue persists.
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