Chevy Silverado Forum (GMC Sierra)
About to run this b**** into the boat launch and claim insurance. Jk but it’s driving me insane I’ve changed plugs, wires, coils, injectors, O2 sensors, I’ve reset ecu, I’ve run a fuel pressure test here are findings
Truck at idle holds at 60psi fuel pressure
WOT ( wide open throttle) blip...