Quote:
Originally Posted by MineralF30
I've gotten hpfp codes also for the pressure being too low but I always figured it was due to the low pressure side. I do have port injection too so maybe since that is spraying a lot it is sorta masking the signs of the hpfp dying.
That might be what I'll have to change next. That along with the fuel lines going from the hpfp to tank are the only things I haven't changed yet.
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Yeah, during this process it first died going about 25 mph in town. I then first changed my Stage 2 LPFP and put my stock LPFP back in and it actually ran fine for about 12 hours so I thought that was it. Then it died again on the highway with the code 110001 cylinder injection shutdown: too low pressure in the high pressure system, then I figured it must be the HPFP, which it was.