Running rough, missing, P1316 and 1274 codes - Ford Powerstroke Diesel Forum
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post #1 of 5 Old 09-30-2013, 10:13 PM Thread Starter
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Running rough, missing, P1316 and 1274 codes

On the way home from Montana last week my engine started running very poorly as we were driving on the highway and the service engine light popped on. I was thinking it was the UVC harness connection and pulled the valve cover on the drivers side. It looked a like it might have had a small gap so I was able to find the Ford retainers locally and installed them. Put it all back together, fired it up, no change. Checked the passenger side, tight harness. Started it again, no change. Stuck Auto Enginuity on it and a P1316 code came up. Ran a buzz test and the #4 injector was very quiet. The test result said P1274 - #4 cylinder high to low open. What I did not do was look at the terminals to see if any were burned. Other than that, am I looking at an injector problem or hopefully, still a harness issue?

Thanks, Mark
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post #2 of 5 Old 10-01-2013, 10:28 AM Thread Starter
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I think I found the problem.......I hope

Pulled the drivers side apart again this morning to check the resistance. Did a visual first and I think I found the problem. The #4 connector on the wiring harness is pretty scorchy and the pin on the gasket harness looks slightly darkened and a little etched. The connector on the harness also looks like it is "opened" up a little more than all the others. I will try to get some good closeup pics and post them later. Looks like I'm hunting for a new harness and gasket. Anyone know of the correct IH engine #? I called a local IH dealer and they couldn't find a reference to a T444E engine.
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post #3 of 5 Old 10-01-2013, 01:27 PM
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IH is a joke.

I was playing this game not that long one.

Check napa, I remember seeing on there site they had a injection harness for like $65.00
Not sure if it's the right one or not.

If you call IH tell them the motor is in a DT444E dump truck. Same friggin engine.
If you mention ford they won't help you.

L99 f250 7.3 powerstroke,
L99 hybrid turbo,
Built transmission,
TS, 6 position chip,
AIH delete,
4"to5" exhaust,
foil delete,
UMP intake,
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FPR alum housing with black spring,
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6.0 PS cooler,
06 dash swap,
06 axles and suspension,
09 steering box,
Saginaw PSP conversion,
many other swaps & conversions
Torque app for gauges,


71 early bronco "rock crawler" 351w,c6,strong box,np205,1tons, 44"tires, ect ect.
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post #4 of 5 Old 10-01-2013, 01:47 PM Thread Starter
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Quote:
Originally Posted by Firemark View Post
Pulled the drivers side apart again this morning to check the resistance. Did a visual first and I think I found the problem. The #4 connector on the wiring harness is pretty scorchy and the pin on the gasket harness looks slightly darkened and a little etched. The connector on the harness also looks like it is "opened" up a little more than all the others. I will try to get some good closeup pics and post them later. Looks like I'm hunting for a new harness and gasket. Anyone know of the correct IH engine #? I called a local IH dealer and they couldn't find a reference to a T444E engine.
Here are a couple of pics, need to clean that lens. 0326 is the harness connector. 4th connector from the right is the one. Hard to see in the pic but it is burned and actually slightly opened up. 0327 is the gasket connector. 4th pin from the right again, slightly burned, etched and actually after measuring it, .0045 narrower than the others. It was replaced last Nov. when I had to do the injector cups. Not sure what brand it was, FelPro I think. Wonder if that was the problem to begin with (narrow pin not making the correct contact).
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post #5 of 5 Old 10-02-2013, 02:16 PM
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Powerstroke 7 3L UVC Valve Cover Injector Glow Plug Harness Set 94 97 | eBay

L99 f250 7.3 powerstroke,
L99 hybrid turbo,
Built transmission,
TS, 6 position chip,
AIH delete,
4"to5" exhaust,
foil delete,
UMP intake,
Zoodad mod,
FPR alum housing with black spring,
6.0 tranny cooler,
6.0 PS cooler,
06 dash swap,
06 axles and suspension,
09 steering box,
Saginaw PSP conversion,
many other swaps & conversions
Torque app for gauges,


71 early bronco "rock crawler" 351w,c6,strong box,np205,1tons, 44"tires, ect ect.
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