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Shuts off after driving a short distance

Tiny
MB-POWER
  • MEMBER
  • 2003 GMC YUKON
  • V8
  • 2WD
  • AUTOMATIC
  • 235,443 MILES
Hi all,
after starting engine and driving for one or two km, engine turned off automatically. Some times when restart again it has come on, but most times no and I have to wait up to twenty minutes with a lot of restarting. Another one or two km, engine will off again!
fuel pump has been replaced.
relay of fuel pump is too hot ! Also relay of ignition switch !
scanned but no fault code.
when I turned ignition switch to on (without engine start) check engine light should be there, but most of times it is not on, only some times.
can you help please?
thanks
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Sunday, July 9th, 2017 AT 5:54 AM

3 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Check all your fuses first it may be a blown fuse not allowing the light to go on. then even if fuel pump has been replaced check fuel pressure and try a security system reset. See link and picture.
https://www.2carpros.com/articles/how-to-reset-a-security-system
https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator
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Sunday, July 9th, 2017 AT 9:51 AM
Tiny
MB-POWER
  • MEMBER
  • 80 POSTS
Hi,
can you believe it! The new OEM fuel pump was bad also.
Another used fuel pump has been replaced and every thing is okay now!
Thanks for every body.
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Monday, July 10th, 2017 AT 6:05 AM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
If it was a Delco that is hard to believe but not impossible they are one of the better ones on the market and mostly trouble free. Least it is fixed now. Thank you for using 2carpros.
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Monday, July 10th, 2017 AT 7:26 AM

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