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1996 GMC Yukon

Tiny
ABRAMS
  • MEMBER
  • 1996 GMC YUKON
  • V8
  • 2WD
  • AUTOMATIC
  • 325,000 MILES
Was driving vehicle at 50 mph and the engine died. Just before it died I cranked it over the enginge started and I proceeded down the road, it hesitated/stumbled twice and died. Prior to this no noticeable problems remembered. After it died I crank the engine over coughed (not a back fire) back up through the carboration unit. Cranks over when ignition is turned on but will not start. What could be the causes
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Monday, October 19th, 2009 AT 10:12 AM

1 Reply

Tiny
SERVICE WRITER
  • MECHANIC
  • 9,123 POSTS
This will give you an overview.

https://www.2carpros.com/first_things/car_cranks_but_wont_start.htm

You can spary some carb cleaner in the throttle body and then crank it. This may help confirm fuel loss.
IF this happens, I would next check fuel pressure to see if it goes into spec if I can hear the pump energize.
If good check for loss of spark with a spark tester.

Post your findings.
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Monday, October 19th, 2009 AT 1:48 PM

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