Hard start and low idle

Tiny
ED BRETZ
  • MEMBER
  • 1998 CHEVROLET SILVERADO
  • 5.7L
  • V8
  • 4WD
  • AUTOMATIC
  • 242,000 MILES
After warmed up restarts fine right away, but wait half an hour, hard restart, real low idle, but comes up right away.
Sunday, September 23rd, 2018 AT 4:17 PM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good evening.

Sounds like the fuel pump is losing prime. I would start by checking the fuel pressure when it is cold. If it is, the fuel pump is the failure.

Roy

https://www.2carpros.com/articles/engine-cranks-excessively-before-starting

https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator
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Sunday, September 23rd, 2018 AT 5:08 PM

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