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jrpontiac · 11-10-2017, 12:42 AM

Just finishing up my 5.3 LS conversion and have a fuel pump question.

Is the fuel pump suppose to run all the time while the key/engine is on. Or does turn on of off according to fuel pressures.

11-10-2017, 12:42 AM	#1
jrpontiac Registered User Join Date: Nov 2017 Location: spokane, wa Posts: 122	Fuel Pump Running Just finishing up my 5.3 LS conversion and have a fuel pump question. Is the fuel pump suppose to run all the time while the key/engine is on. Or does turn on of off according to fuel pressures.