Hard starting

1999 CHEVROLET 1500
170,000 MILES • 4.8L • V8 • 2WD • AUTOMATIC
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COGGY76
  • MEMBER
  • 1 POST
It does not like to start once it is at running temperature, starts but, seems to need fuel. When it is cold it fires right up. I changed the fuel filter but the problem is still there. When running it runs great, checked with an obd reader no codes come up. Help
Oct 30, 2018 at 10:09 AM
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ASEMASTER6371
  • ✓ASE Certified Mechanic
  • 52,796 POSTS
  • ASE Certified Mechanic
Good afternoon.

I would start by checking the actual fuel pressure. You need to check it when the engine will not start. It sounds like a failed fuel pump.

Roy

https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator

https://www.2carpros.com/articles/how-to-replace-an-electric-fuel-pump
Oct 30, 2018 at 11:37 AM
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