03-17-2026, 02:12 PM
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#8
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Super Stock
Drives: Chevrolet Camaro ZL1
Join Date: May 2022
Location: Concordia
Posts: 962
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Quote:
Originally Posted by bishopts
You can see low and high pressure fuel data from the pcm. You can also see fuel trim which will tell you how much demand is being requested.
The fuel pump driver module is above the rear diff. So since you have problems with the rear diff also you might get under there and find a rodent nest or missing wires that got chewed off.
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Of course you can check that stuff but based on OP's post it really doesn't sound like he has the resources or means to be able to do that stuff. I could be wrong of course, but if he does then he has your post to be able to follow.
A bad fuel pump is fairly cut and dry to diagnose more often than not assuming everything is electrically intact.
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2017 Red Hot ZL1 A10 - Apex ARC-8's, 305/ 325 PS4's, DSX 9.06 12% lower, Griptec OE upper, NGK HR7 Ruthenium plugs, Nostrum 25+ injectors, XDI Goliath HPFP, Katech dual in tank LPFP, Katech oil pump, LME tensioner, DOD delete, LT1 big fuel cam, Jokerz ported blower, MPI lid, GMS hood extractor bracket, Granatelli SS plug wires, Cordes LTR reservoir, DMS T-stat housing, 186* LS3 T-stat, Borla X pipe, Black Widow Angry Housewife/ Corsa NPP mufflers, BMR engine mounts, Banks iDash, Lithium Battery, AEM X- Series, HP Tuners, E85, 16.5 psi
758 HP/ 804 TQ
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