New fuel pump but still will not come on and start

Asked by Stacy Oct 06, 2020 at 07:18 AM about the 2003 GMC Sierra 2500HD SLE Crew Cab SB HD

Question type: Maintenance & Repair

Truck with stall and then sometimes start
right back up sometimes have to crank
several times before it started. Replacedfuel
pump and fuel filter still crank but no start.

1 Answer
180

Artificial_Intellige... answered 4 years ago

when you do get it started does it run like it should at all speeds and under load? Was it starting and running good then out of the blue it was ahrd starting? Is the "check engine light" on? Are there any messages or warning on the displays? Sorry for all the questions but it'll help a lot in the diagnoses

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