injector help?
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New User
Joined: Jul 2008
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injector help?
Got a 2000 F-350, 7.3 6 speed with 49k on it. was running great, shut it off, then restarted 5 minutes later. Now has a bad miss, and service engine soon light is on right after start up. No black or white smoke. Could be a bad/plugged injector? How do I find which one is bad? Thanks.
Fleet Mechanic
Joined: Dec 2007
Posts: 1,766
Likes: 8
From: Hutchinson, KS
Could also be the Under valve cover wiring harness or UVCH. My 02 did the same thing last winter. One minute fine, the next it was running like crap with the ses light on. Pulled the valve covers to find the pass side connection had seperated. Checked the connections and they were good so I bought some clips from Ford that keep it all together (before I knew about the "50 cent" mod).
If it does end up being your connection, let me know and I can send a couple of clips to you cause I don't need them anymore.
If it does end up being your connection, let me know and I can send a couple of clips to you cause I don't need them anymore.
Fleet Owner
Joined: Jun 2004
Posts: 25,090
Likes: 1,112
From: Rio Rico, AZ.
Copied and pasted from a 5 year old thread of mine.
Ok, I just completed another repair to my '99 F-550. It started running strangely a few days ago and checked things out and found that the glow plug wire for #6 was shorting out against the push rod!
I took the valve cover off to also discover this: The plug was on crooked!
I removed the right side valve cover to see that the same problem was going to happen there and replaced that side too. See the wire rubbing on the push rod.
The new wiring harnes is routed a little different to make sure that doesn't happen again. Plus I bent them as far away from any moving object as possible.
It wouldn't surprise me if all the '99s with certain production run have this problem. <!-- / message --><!-- BEGIN TEMPLATE: ad_showthread_firstpost_sig --><!-- END TEMPLATE: ad_showthread_firstpost_sig --><!-- sig -->
Ok, I just completed another repair to my '99 F-550. It started running strangely a few days ago and checked things out and found that the glow plug wire for #6 was shorting out against the push rod!
I took the valve cover off to also discover this: The plug was on crooked!
I removed the right side valve cover to see that the same problem was going to happen there and replaced that side too. See the wire rubbing on the push rod.
The new wiring harnes is routed a little different to make sure that doesn't happen again. Plus I bent them as far away from any moving object as possible.
It wouldn't surprise me if all the '99s with certain production run have this problem. <!-- / message --><!-- BEGIN TEMPLATE: ad_showthread_firstpost_sig --><!-- END TEMPLATE: ad_showthread_firstpost_sig --><!-- sig -->
