Engine will not stay running

Tiny
DIANNA JACKSON
  • MEMBER
  • 2006 GMC YUKON
  • 5.3L
  • V8
  • 2WD
  • 150,000 MILES
Seems like it’s starving for gas, engine shuts off after idling for about 10 minutes. Could it be a possible fuel filter issue?
Sunday, November 7th, 2021 AT 11:18 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,179 POSTS
Hi,

Does it start right back up for you? Also, yes it could be a fuel-related issue or an ignition problem.

If it doesn't start right back up, it could be a faulty crankshaft position sensor. When they begin to fail, heat has an adverse effect on them. Once they cool, the engine will start. That's why I asked if it starts right back up.

I am including two links. The first one explains how to test fuel pressure and the second explains the symptoms of a faulty crankshaft sensor. Take a look through the sensor symptoms. If they don't mirror what you experience, then check the pressure.

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

https://www.2carpros.com/articles/symptoms-of-a-bad-crankshaft-sensor

Let me know your thoughts or if you have any questions.

Take care,

Joe
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Sunday, November 7th, 2021 AT 8:23 PM

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