why does my 1989 f150 suddenly cut out
01-08-2018, 12:38 PM
#1
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why does my 1989 f150 suddenly cut out
1989 f150 xlt lariat 5.0 motor 4x4 5 speed changed dist. module and pick up,coil ,both relays, ignition switch on top of steering column truck starts right up randomly cuts out turn key off then back on starts right up drive d own the road randomly cuts out can push clutch in turn key off and back on without cranking starter let clutch back out fires right it has progressively gotten worse all started with dist module failure
Last edited by ray sch1989; 01-08-2018 at 01:02 PM. Reason: told not enough info
01-08-2018, 12:49 PM
#2
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Not nearly enough info or detail. Click this, read the caption, & fill in your signature:
https://www.supermotors.net/registry/media/72354 (for phone apps)
When & why was each part changed? What diagnostic step did each one fail, and did the replacement pass the same test? What brand & source is each replacement?
https://www.supermotors.net/registry/media/72354 (for phone apps)
When & why was each part changed? What diagnostic step did each one fail, and did the replacement pass the same test? What brand & source is each replacement?
01-08-2018, 02:01 PM
#3
Senior Member
Welcome to the site!
If it dies instantly, without a slow sputtering, then suggest it's an ignition problem, and it looks like you've changed ALL the most-likely suspects.
Suggest to inspect the electrical connections to these devices, looking for a poor termination / loose wire, then consider that one of the new parts may be suspect. There are electrical resistance specs to check for the PIP, TFI, and coil towards eliminating random replacements.
Good luck, and keep us posted.
If it dies instantly, without a slow sputtering, then suggest it's an ignition problem, and it looks like you've changed ALL the most-likely suspects.
Suggest to inspect the electrical connections to these devices, looking for a poor termination / loose wire, then consider that one of the new parts may be suspect. There are electrical resistance specs to check for the PIP, TFI, and coil towards eliminating random replacements.
Good luck, and keep us posted.
01-09-2018, 08:43 PM
#4
Member
My 1988 5.0 Auto w/ C6 is doing the exact d*** thing. I feel your pain. Check your PCM they are suspect for having capacitors go bad. If they have leaked out I would guess that may be causing some of your dilemma. I had to replace mine and while it has not fixed my problem it definitely was not helping.