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1987 Chevrolet Truck truck wont stay running

Tiny
SCOTTSDALE87
  • MEMBER
  • 1987 CHEVROLET TRUCK
  • 185,000 MILES
Truck will start and run for approximately 10-15 seconds then dies.
replaced fuel pump, fuel filter, fuel lines, fuel pump relay, ignition module, cap. Rotor, ecc. (Engine control computer) and battery! Still starts and still dies after 10-15 seconds of running
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Sunday, September 29th, 2013 AT 9:09 PM

3 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
When it dies, double check fuel pressure and also look for spark-if okay check the EGR and PCV valves
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Sunday, September 29th, 2013 AT 9:38 PM
Tiny
SCOTTSDALE87
  • MEMBER
  • 2 POSTS
Today replaced throttle positioning sensor! Still running and then stalling after 10-15 sec. Check engine light does work and has never come on or sent a code!
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Monday, September 30th, 2013 AT 5:47 PM
Tiny
MADMIKE1735
  • MECHANIC
  • 951 POSTS
Will it stumble, like its running out of gas, or just shut off? If it stumbles, try spraying some carb clean into it, see if it stays running. This will verify if its fuel, or spark.
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Tuesday, October 1st, 2013 AT 7:37 PM

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