Bad ignition module?
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Posting Guru
Joined: Dec 2009
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From: Mississippi
Bad ignition module?
My truck has stalled on me 3 times recently and once with the old engine a long time ago, same module though. Symptoms are it starts wanting to die, like its running out of gas and I'll come to a stop and it will either smooth out and run fine or die but I can restart almost immediatley and it will run fine. I had a '79 years ago that had a bad module but it would just die and I would have to wait 5-10 mins for it to cool before it would restart.
MSEE
Joined: Apr 2004
Posts: 10,386
Likes: 35
From: Austin, TX
It's possible, but it's less common for the engine to stumble prior to shutting off - usually it cuts out completely. If it's acting like it's running out of gas, then maybe it's actually running out of gas (carburetor, float issue) or vacuum problem.
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Posting Guru
Joined: Dec 2009
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From: Mississippi
Thats how my '79 acted way back in '84, it would die just as if you had shut the key off. My '76 stumbles, acts like its running out of fuel then runs great. Its got a Holley 4160 IIRC, been awhile but gas was right at the peep hole last time I checked.
Junior User
Joined: Jan 2008
Posts: 76
Likes: 0
From: SK, Canada
This sounds similar to what my truck was doing. It ended up being the magnetic pickup in the distributor. It would test fine when cold but when the truck was warm, it would start cutting out with similar symptoms to what you described. Replaced it and it has been great ever since!
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