Misfire Code
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Freshman User
Joined: Jul 2009
Posts: 31
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From: Corona, CA
Misfire Code
recently my ses light came on and I pulled the code which says it's a misfire code, what would cause this on a 7.3 PSD? I am also experiencing what seems like the batteries are weak so I have had the alt. tested and it is good so I replaced both batteries with the same result. I noticed both problems about the same time, can anyone help? I don't care to be raped by Ford.
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Freshman User
Joined: Jul 2009
Posts: 31
Likes: 0
From: Corona, CA
very well could be, seems like after reading through a few hours of various posts that things are pointing to that thing and the truck is a 1999 with over 250K miles. I suppose that will be my next thing to check.
Cargo Master
Joined: Jun 2003
Posts: 3,292
Likes: 6
From: Ardenvoir, Washington
Here is a link to fix the UVCH connector.. if that is the problem.. What code did you get ?
https://www.ford-trucks.com/forums/8...ck-shakes.html
https://www.ford-trucks.com/forums/8...ck-shakes.html
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Freshman User
Joined: Jul 2009
Posts: 31
Likes: 0
From: Corona, CA
I am still learning, so does this mean I have a bad glow plug? or is there some sort of monitoring device that is going bad. Also, how can I test this?
Thanks for your help Pop
Thanks for your help Pop
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Hotshot
Joined: Jan 2002
Posts: 17,988
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From: La La Land
Need to know if your truck is an "early" 99 or a "late". Search this forum to see what you need to know to determine that.
I see you're in CA, was this vehicle built to be originally sold in CA?
Pop
I see you're in CA, was this vehicle built to be originally sold in CA?
Pop
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Hotshot
Joined: Jan 2002
Posts: 17,988
Likes: 207
From: La La Land
I looked at the 1999 wiring diagrams, and it doesn't spell out any sensing for glow plugs like the later years, but I suspect it's a failing in the wiring diagram provider.
Sorry, but without further resources, I'm at a loss to help further. There ARE, however, some on here who can! If I recall, there were small-value shunts in series with each bank's glow plug feeds that provided sensing on the early ones. The diagrams I'm looking at don't show anything like them.
Pop
Sorry, but without further resources, I'm at a loss to help further. There ARE, however, some on here who can! If I recall, there were small-value shunts in series with each bank's glow plug feeds that provided sensing on the early ones. The diagrams I'm looking at don't show anything like them.
Pop
