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Poor mileage and running rich
#5
keyon pressure is 36 and drops to 30psi on mine,

43 is max no matter what.
what matters most is the 6 PSI change from keyon to idle.
that matters big time if you go to full throttle the PSI will to down to near keyon pressure as low as 30

why is your pressure so high?
is the return line partially blocked/ or pinched, but what matters first is the 6PSI above,

good report so far, you have handle on what was done and what might be wrong still.

Not sure me if this year has limphome for P04xx codes, I do think not, but.... nobody knows all ECU that well.
http://www.fixkick.com
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Messages In This Thread
Poor mileage and running rich - by Clint09 - 11-11-2020, 04:14 PM
RE: Poor mileage and running rich - by fixkick - 11-12-2020, 12:36 AM
RE: Poor mileage and running rich - by Clint09 - 11-12-2020, 03:47 AM
RE: Poor mileage and running rich - by fixkick - 11-12-2020, 05:06 AM
RE: Poor mileage and running rich - by fixkick - 11-12-2020, 05:10 AM
RE: Poor mileage and running rich - by Clint09 - 11-12-2020, 01:42 PM
RE: Poor mileage and running rich - by fixkick - 11-12-2020, 10:01 PM
RE: Poor mileage and running rich - by fixkick - 11-12-2020, 10:07 PM
RE: Poor mileage and running rich - by fixkick - 11-12-2020, 11:35 PM
RE: Poor mileage and running rich - by Clint09 - 11-24-2020, 05:39 AM
RE: Poor mileage and running rich - by fixkick - 11-24-2020, 06:52 AM

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