Will not start without starting fluid

180,000 MILES • 5.0L • V8 • 4WD
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JAYMONKEY76
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  • 2 POSTS
Truck will start with starting fluid (and runs great) but when I shut it off it will not start without the starting fluid. Pump is pressurizing, there is fuel at the rail and runs like a dream once started. Just will not start on its own. TPS maybe? ECM was just replaced a couple months ago along with FPS.
Jul 31, 2016 at 3:52 AM
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CJ MEDEVAC
  • ✓Experienced Mechanic
  • 11,000 POSTS
Can you hear the fuel pump come on for two seconds when you turn the key to "on"?

The Medic
Jul 31, 2016 at 6:40 AM
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JAYMONKEY76
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  • 2 POSTS
Yes, it turns on for a few seconds.
Aug 1, 2016 at 12:31 AM
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RIVERMIKERAT
  • ✓Experienced Mechanic
  • 6,106 POSTS
What sort of fuel pressure are you seeing at the rail? Use a test light to see if the injectors are being pulsed while you are trying to start it.
Aug 1, 2016 at 3:08 AM
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