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Will not start until cooled down

Tiny
MOF6
  • MEMBER
  • 2002 CADILLAC ESCALADE
  • 6.0L
  • V8
  • AUTOMATIC
  • 240,000 MILES
Runs fine until shut off, then won't start back up. I have to wait thirty minutes then it will start. I change oxygen sensors, fuel filter, crank sensor, and fuel relay. Please someone help.
Monday, April 1st, 2019 AT 12:00 PM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good afternoon,

When it will not start, can you hear the fuel pump turn on? I would check the pressure to be sure it is working.

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

When it does not start, does the tachometer move up a little while cranking?

Roy
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Monday, April 1st, 2019 AT 1:34 PM

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