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1989 Ford F-250 Stalling

Tiny
KCLIFFORD
  • MEMBER
  • 1989 FORD F-250
  • V8
  • 2WD
  • AUTOMATIC
  • 67,000 MILES
Truck starts up fine, runs fine for 30 minutes or longer than just stalls out. Pull off highway then turn engine off and restart without any trouble. Will run for another 10 minutes and stall again. I changed the fuel filter (which was pretty nasty). The truck is EFI and just stalls out. Had the starter and altenater checked which are fine. Don't know what else to do. Any ideas?
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Wednesday, October 27th, 2010 AT 7:56 AM

3 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check the fuel presssure if its within specs fuel pump could be on its way out-

Do you have to wait before it starts back up?
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Wednesday, October 27th, 2010 AT 9:01 AM
Tiny
KCLIFFORD
  • MEMBER
  • 2 POSTS
Truck will start right back up, just place in park turn off and turns right back over.
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Wednesday, October 27th, 2010 AT 9:12 AM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
This one is lil tricky-Hook-up a fuel pressure gauge and monitor it while on a test run to rule the pump-its hard to blame the coil or ignition control module bcuz it starts back up quick-double check the ground circuit, also check wiring connectors on the computer for looseness and corrosion-could be very well be the ignition switch breaking up internally
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Wednesday, October 27th, 2010 AT 9:27 AM

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