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1998 Ford F-150

Tiny
RKLUG
  • MEMBER
  • 1998 FORD F-150
  • V8
  • 4WD
  • AUTOMATIC
  • 145,000 MILES
The truck is not getting fire to the coil, there is no fuel pressure. Was driving vehicle, it stalled, unable to recrank. The above description is what I have learned. Put a hand held diagnostic on it and it would "read" then show "error".
Thanks
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Friday, September 24th, 2010 AT 9:24 AM

7 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,700 POSTS
If you lost both spark and fuel I want you to check the EEC relay under the hood. It is in the relay block. Switch it with another relay in the box with the same part number. Let me know if it changes anything.

Joe
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Friday, September 24th, 2010 AT 10:54 PM
Tiny
RKLUG
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Thanks Joe,
I have checked all relays as you suggested along with the fuses. If I did it correctly, the horn relay and the eec relay have the same parts number. The horn worked and I pluged it into the eec relay. The horn no longer worked but, was still not getting fire or fuel.
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Saturday, September 25th, 2010 AT 8:40 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,700 POSTS
With the key in the run position, is there any power to the EEC relay?
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Sunday, September 26th, 2010 AT 1:18 AM
Tiny
RKLUG
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  • 3 POSTS
Yes sir there is power
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Monday, September 27th, 2010 AT 2:06 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,700 POSTS
It sounds like a problem with the automatic shutdown relay. I have searched my resoruces and can't find its location on a 98.
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Tuesday, September 28th, 2010 AT 7:25 AM
Tiny
RKLUG
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Could it be the PCM?
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Tuesday, September 28th, 2010 AT 9:34 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,700 POSTS
Yes.
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Tuesday, September 28th, 2010 AT 10:37 AM

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