Got up the next day and it would crank but would start?

Tiny
RICHARD71
  • MEMBER
  • 1991 FORD F-150
  • 4.9L
  • 6 CYL
  • 2WD
  • MANUAL
I had drove it home from work and then got up the next day and it would crank but would start. I have changed out both fuel pumps with salvaged pumps that tested for 40 psi, MAP sensor, fuel pump relay, battery, spark plugs, spark plug wires, fuel filter and still it will crank but not start. I have had the starter tested it passed. It is dragging a little and locks up to stop not sure if that could be a problem. I need help
Saturday, May 23rd, 2015 AT 9:39 AM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
See if it has spark it may not check ignition module in dist see pics. Also check eec relay. Check out the diagrams (Below). Please let us know what you find. We are interested to see what it is.
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Monday, May 31st, 2021 AT 12:46 PM

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