Truck took a sh!! on the road tonight... - Ford Powerstroke Diesel Forum
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Old 03-06-2011, 05:31 PM
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Truck took a sh!! on the road tonight...

Ok the truck is a 12/99 model with the 7.3 250K. Driving down the interstate and it was like it lost 4 cylinders. It was barely pulling itself and it idled very rough. At idle it was putting out so much black smoke it looked as if I was pulling a sled in a truck pull. Very raw fuel smell. Any suggestions
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Old 03-06-2011, 05:33 PM
spool up that turbo!!


 

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did one of the plugs come off a uvch?
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Old 03-06-2011, 05:39 PM
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I agree with hollister, sounds like you lost a bank of cylinders. I've heard of it happening on occasion before. Any idea which side of the motor it's coming from? You might try pulling the valve cover and having a looksee at the connectors.

Do you have an EGT gauge by chance? If so, any changes in temps?
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Old 03-06-2011, 05:41 PM
spool up that turbo!!


 

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mine broke a clip all the sudden and slipped off once so id check that
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Old 03-06-2011, 05:43 PM
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I looked all over from above and below looking for something. First thing I thought of is I burnt up one side of my harness but both sides are flawless from the plug side. Thats not to say one might have burnt up under the valve cover. I'm lost. Had it hauled 30 miles by trailer to mechanic to run a scan. What would make it just lose that much power and make it smoke like that, I mean thick black rolling smoke at idle. I ahve never seen that before. It is getting way too much fuel right?
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Old 03-06-2011, 05:46 PM
spool up that turbo!!


 

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could of smoked a harness
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Old 03-06-2011, 05:50 PM
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Dad was driving it so I'm not sure what went on prior to the malfunction. It does have Edge Juice with Attiitude and 5" stainless straight pipe. I know he runs it with it set on #5 Extreme all of the time no matter how heavy the load. He also wont fix the block heater so the poor old truck gets extreme cold starts with no warm up and hammer down!!!! It's like I am babysitting my parents! WTF! I told him to be easy on it or something like this would happen....
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Old 03-06-2011, 05:51 PM
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Quote:
Originally Posted by hollister25073 View Post
mine broke a clip all the sudden and slipped off once so id check that
Yeah I broke one of the clips on a harness when putting in my stage 1's. Drove around like that for a while, but got a new harness on there before anything could happen.
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Old 03-06-2011, 08:41 PM
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Edge = BAD news IMO
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Old 03-06-2011, 09:12 PM
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yep had the same thing happen to me. mine was the right side uvch (under valve cover harness) connector latch/lock. ford makes a kit to fix this but i dont remember the part number for it. cost was around $14 from ford. the kit consists of two plastic inserts clips (or maybe it was three) & i used two small zip ties per side to make sure it didnt come out.
just pull the valve covers off & check the connector to see if they have come loose. it wont be much. mine was unplugged about a 1/16" or less but it was just enough to not get any power to the injectors.
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