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Crank shaft sensor stop fuel?

Tiny
DONNIE7
  • MEMBER
  • 1996 GMC JIMMY
  • 250,000 MILES
Gmc 4.3l how does the crank shaft sensor stop fuel flow to the injectors when all injectors are stopping correctly? Needing to know how the sensor affects the fuel flow and how can it stop fuel flow completely
Friday, May 4th, 2012 AT 6:20 AM

4 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
The CPS has nothing to do with stopping fuel from entering the engine, check to see if you have a shorted injector causing the problem, go here for more info.

https://www.2carpros.com/articles/how-to-test-a-fuel-injector
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Friday, May 4th, 2012 AT 6:37 AM
Tiny
DONNIE7
  • MEMBER
  • 18 POSTS
Ok well I have good power and all injectors are strobing their are two that have contant power with ignition in on setting then they stobe fine when cranked over but I'm not getting fuel out of injectors
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Friday, May 4th, 2012 AT 6:42 AM
Tiny
DONNIE7
  • MEMBER
  • 18 POSTS
Ok, well I have good power and all injectors are pulsing, but I'm not getting fuel out of one injector.
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Friday, May 4th, 2012 AT 6:45 AM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Replace that injector.
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Friday, May 4th, 2012 AT 6:47 AM

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