Dont know what to do next
Postmaster
Joined: Jul 2001
Posts: 4,956
Likes: 10
From: MD
EGR may be a possibility. do you have one? Didja check it out?
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Senior User
Joined: Sep 2006
Posts: 285
Likes: 0
I replaced the oil sending unit today and the truck seems to run alot better even after it warms up. The sending unit was spraying oil out of the top. I wonder if that would create some kind of a vacuum leak?
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Senior User
Joined: Sep 2006
Posts: 285
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Nevermind. Back to the same bs.
Elder User
Joined: Sep 2006
Posts: 519
Likes: 1
From: Bountiful UT
I am almost certain it is electrical, I would test all the plug wires with a ohm meter, change the pickup coil, and I would even swap out the ignition control module. Worse case is the module is good you will have a spare and they fail at the worst times.
Elder User
Joined: Sep 2006
Posts: 519
Likes: 1
From: Bountiful UT
I agree with the
These old gas burners are kinda new territory for me, but after almost 20 years as a heavy diesel mechanic I think I hate electrical issues the most.
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Post Fiend
Joined: May 2009
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From: HOUSTON, TX
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Senior User
Joined: Sep 2006
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How do i test the plug wires with an ohm meter? Like what setting on the meter and what not?
Post Fiend
Joined: Aug 2008
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From: Sin City
General rule of thumb is: Less than 7000 ohms of resistance per foot of wire is good, more than that, replace.
Elder User
Joined: Aug 2004
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Exactly what I was gonna say.
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Senior User
Joined: Sep 2006
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So i took the truck out for a drive today. It started running really rough again and backfiring. I kept pushing on the gas cuz i needed to make it back home...lol...all of a sudden it threw me back in my seat and took off like a bat out of hell. It came out of running like crap and ran like a champ. I dont get it.