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Intermittent long cranking and no start issue

Tiny
IMNOTTE42
  • MEMBER
  • 2005 GMC CANYON
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 120,000 MILES
On occasion my vehicle will crank continuously but fail to kick over and start. Later it will start with no problem. I had the fuel pump replaced but this still continues.
Tuesday, September 8th, 2020 AT 7:51 AM

3 Replies

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

When it does not start, did you hear the fuel pump run?

https://www.2carpros.com/articles/car-cranks-but-wont-start

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

When it did not start, did the tachometer move up a little while cranking? That will tell me if the crank sensor is sending a signal to the ECM.

https://www.2carpros.com/articles/how-to-test-an-ignition-system

Roy
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Tuesday, September 8th, 2020 AT 8:22 AM
Tiny
IMNOTTE42
  • MEMBER
  • 2 POSTS
Sorry, I don't know what a fuel pump sounds like and I didn't notice the tachometer moving up. I will check if it happens again soon.
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Tuesday, September 8th, 2020 AT 9:11 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Okay, keep us updated.

Roy
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Tuesday, September 8th, 2020 AT 9:12 AM

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