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Chevy start /stall

Tiny
BRENT0NFIRE
  • MEMBER
  • 2001 CHEVROLET S-10
  • 268,000 MILES
Ok, I start s10 4.3 runs good for 20 secs then shuts off.
when I turn key to start after that she has no power to fuel pump.
i can disconnect battery, and then start truck again but it will shut down after 20 secs.
I have replaced ecm fuse, relay and pump.
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Monday, March 19th, 2012 AT 10:33 AM

6 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
Try unplugging the oil pressure switch and see if it still does it.
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Monday, March 19th, 2012 AT 12:12 PM
Tiny
BRENT0NFIRE
  • MEMBER
  • 8 POSTS
Arg! Unplugged oil pressure switch. No start!
Im gona scan its codes today wrenchtech. Stay with me on this one.
Im a vw tech and have lil knowledge on this american junk.
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Monday, March 19th, 2012 AT 2:52 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
Find out if the relay is energizing for 2 second prime and powering on the gray wire going to the pump.
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Monday, March 19th, 2012 AT 3:32 PM
Tiny
BRENT0NFIRE
  • MEMBER
  • 8 POSTS
O me back is killin me!
Tested grey wire and was getting jumpy voltage readings.
Followed grey wire and found three wires shorted.
It looked like some shotty work and had burned out.
Repaired wires. Best kind! `A
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Tuesday, March 20th, 2012 AT 1:46 AM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
So you're good now?
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Tuesday, March 20th, 2012 AT 1:47 AM
Tiny
BRENT0NFIRE
  • MEMBER
  • 8 POSTS
O ya shes perfect. Right in time for tha snow comin tomorrow!
Thx man
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Tuesday, March 20th, 2012 AT 3:16 AM

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