starting problem
May 8, 2024 | 01:05 AM
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5th Wheeling
Joined: May 2024
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starting problem
Bonjour,
Le moteur de ma Ford F150 5.8 EFI de 1992 s’est arrêté subitement et je ne veux plus redémarrer.
La pompe à essence ne tourne plus alors qu’elle est neuve.
Quelqu’un a-t-il une idée pour m’aider ?
MERCI
May 8, 2024 | 09:00 AM
Joined: Feb 2002
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From: Greater Austin, Texas
Êtes-vous en train de dire que votre pompe à essence ne fonctionne plus du tout depuis que le camion a cessé de fonctionner?
May 12, 2024 | 11:59 AM
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5th Wheeling
Joined: May 2024
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the vehicle suddenly stopped, no more ignition and the fuel pump no longer turns
May 13, 2024 | 09:12 AM
Joined: Feb 2002
Posts: 7,962
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From: Greater Austin, Texas
Will it start on starting fluid?
May 13, 2024 | 10:12 AM
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5th Wheeling
Joined: May 2024
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no spark at the spark plugs or at the coil. fuel pump not powered, fuse and relay ok
May 13, 2024 | 12:48 PM
Joined: Feb 2002
Posts: 7,962
Likes: 594
From: Greater Austin, Texas
Sounds like either your ECU relay has failed or the ECU itself has.
May 13, 2024 | 01:10 PM
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5th Wheeling
Joined: May 2024
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there is a way to check the ECU to be sure before ordering a new one
May 13, 2024 | 03:35 PM
Joined: Feb 2002
Posts: 7,962
Likes: 594
From: Greater Austin, Texas
The only way I know is put in a known good one.
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May 14, 2024 | 12:19 PM
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5th Wheeling
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Do you have any sites where I could find them?
May 14, 2024 | 04:13 PM
Joined: Aug 2011
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From: South Puget Sound
Quote:
Originally Posted by
philippe de marseille
Do you have any sites where I could find them?
I purchased a pcm ecm ecu for my 1994 f150 from FlagShip One.
https://www.fs1inc.com/customer-service
May 14, 2024 | 06:23 PM
Joined: Oct 2005
Posts: 20,786
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From: Kentucky
Does the Check Engine Light (CEL) illuminate when cycling the key from Off to Run?
If yes, does it turn off when cranking the engine?
May 15, 2024 | 11:41 AM
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5th Wheeling
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The only lights that come on are:
abs
battery
May 15, 2024 | 12:22 PM
Joined: Oct 2005
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From: Kentucky
Then you need to verify the power path to the computer (PCM) is good. Could be a bad fuse or bad contact on the ignition switch.
I would check Fuse U in the engine compartment fuse box first. Then Fuse I.
Attached Images
May 15, 2024 | 12:26 PM
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5th Wheeling
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fuse, diode and relay are ok
May 15, 2024 | 02:11 PM
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From: Kentucky
Is there power at Fuse U with the key in the Start and Run position?
Does the EEC relay energize when you cycle the key to the Run and Start position?
Is there power at Fuse I at all times?