PLEASE HELP!!! - Ford Powerstroke Diesel Forum

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post #1 of 13 Old 07-11-2011, 03:46 PM Thread Starter
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PLEASE HELP!!!

i was at a country concert over the weekend and decided to romp on my 2002 7.3 powerstroke and blow black smoke. after a few times to the floor my truck started to have a rough idel. so i shut it off and went to veiw the concert. when i went to leave i got on the road and the truck would buck down the road. but there was no white smoke. i hooked it up to a snap on solus and did a buzz test and it came up with no dtc. i ran another test and it told me my pcm may need to be reflashed. could this be the problem and why did it happen and would it cause my truck to run like this. also when i get on it it and let off it makes this noise near my intercooler/ air filter area. what would do that. when i ran a countributhion test tripped 2 codes one was a 0278 and the other was a 0284. would theses trip if my pcm failed
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post #2 of 13 Old 07-11-2011, 03:52 PM
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Did you blow a boot off your intercooler? What were your boost #'s and EGT's?
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post #3 of 13 Old 07-11-2011, 03:58 PM
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Quote:
P0278
Cylinder Fault No. 6, CCT

P0284
Cylinder Fault No. 8, CCT

~~~Trouble Codes List~~~
I take it back, it would more likely be a (right side) UVCH issue... does it feel like one bank isn't working or it's loping?
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post #4 of 13 Old 07-11-2011, 04:04 PM Thread Starter
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what is a uvch. and when i drive down the road it starts bucking expessially in whne the truck shifts and lugs down. at idel the truck just shakes
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post #5 of 13 Old 07-11-2011, 04:07 PM
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under valve cover harness, it's what controls the injectors.
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post #6 of 13 Old 07-11-2011, 04:10 PM Thread Starter
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would that show up ona buzz test and would that cause my engine to run rough. and would a buzz test show if my wiring harness is messed up.
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post #7 of 13 Old 07-11-2011, 04:13 PM
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The question is, Why would you want to blow black smoke? Giving us diesel drivers a bad name. We are getting enough heat from the EPA.
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post #8 of 13 Old 07-11-2011, 04:13 PM
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One side wouldn't buzz, but it might be intermittent.
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post #9 of 13 Old 07-11-2011, 04:14 PM
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Quote:
Originally Posted by Too Tall View Post
The question is, Why would you want to blow black smoke? Giving us diesel drivers a bad name. We are getting enough heat from the EPA.
Because he was at a country concert, showing off... Not infront of a bunch of prius driving hippies that are gonna vote to get rid of diesels.
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post #10 of 13 Old 07-11-2011, 04:17 PM Thread Starter
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yea there was a bunch of good ole boys there. would a problem with the pcm cause my injectors to not fire right
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