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1995 GMC Sierra will not run

Tiny
SMITH866
  • MEMBER
  • 1995 GMC SIERRA
  • V8
  • 2WD
  • AUTOMATIC
  • 140,000 MILES
1995 gmc pick-up. Starts and runs good cold. Drive
one to two miles engine dies will not start again
untill it cools off. Have changed fuel filter, roter,
dist. Cap, module and coil. Does not help.
Friday, October 16th, 2009 AT 1:42 PM

3 Replies

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Welcome to the forum, I need more info, when it stalls and refuses to restart, do you have spark at the plugs, use a gage and check fuel pressure. Any codes? Sometimes the coolant temp sensor can cause issues? Right now, I can't be sure.
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Friday, October 16th, 2009 AT 3:24 PM
Tiny
SMITH866
  • MEMBER
  • 2 POSTS
There is spark at plugs and fuel spraying at injectors
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Sunday, October 18th, 2009 AT 8:45 AM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
You still need to check fuel pressure, I've seen injector spray patterns that looked good to me, but, the pressure was half of what it should have been. The problem may not be fuel, but, using a gage is the quickest way I know, to rule it out.

If your obd1 compliant, check trouble codes. 12 pin data link connector?


https://www.2carpros.com/forum/automotive_pictures/170934_aldl_29.jpg



You turn key to on, no crank, place jumper wire between A & B terminals, the check engine lite starts flashing, you count flashes to get codes.
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Sunday, October 18th, 2009 AT 12:10 PM

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