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.
Monday, March 19th, 2012 AT 10:33 AM
6 Replies
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
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
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
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
WRENCHTECH
MECHANIC
20,761 POSTS
So you're good now?
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Tuesday, March 20th, 2012 AT 1:47 AM
BRENT0NFIRE
MEMBER
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O ya shes perfect. Right in time for tha snow comin tomorrow!
Thx man