3rd Gen Engine and Drivetrain -> 2003-2007 5.9 liter Engine and drivetrain discussion only. PLEASE, NO HIGH PERFORMANCE DISCUSSION!

???? About Rough Idle ?????

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Old Jun 24, 2007 | 06:23 PM
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swansong04's Avatar
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From: FRASER VALLEY B.C.
???? About Rough Idle ?????

well i got into my truck this morning and started it up and man did it idle rough for about 5 seconds .. but it did clear up and ran nice .. then i let it run for a bout 2 Min's and shut it off and did the same thing .. really, really rough idle and then cleared up after about 5 seconds ... never has done this before .. then went for a nice long drive and came home and let it sit for about 2 hours .. came out and started again and it was fine ???? weird ??!! anybody had this happen to them ??? injector , ??? lift pump ??? .. any info would be great .. thanks

Gary
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Old Jun 24, 2007 | 07:18 PM
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From: DFW
It happened to me for the first time last Monday.
I have a bad habit of changing my fuel filter and just closing it up and that’s it.

Wake up the next morning and take off. Well it was shaking like a leaf at every light.
Couple of kid drop offs and it was gone. Has not happened since.
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Old Jun 24, 2007 | 08:36 PM
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From: Ft. Campbell, KY
This has happened to me and when taken to dealership for them to look at they came back with just carbon build-up on the injectors. Just add some addative and run it like you stole it and not baby it.
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Old Jun 24, 2007 | 09:14 PM
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From: DFW
I bet that's got alot to do with mine, I haven't run B20 in about 6k miles and not used any Power Service in 20k+.
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Old Jun 24, 2007 | 09:27 PM
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From: FRASER VALLEY B.C.
hey thanks for the responses guys, i run 500 ml of mmo/ps every single fill up .. but yes it could be carbon bulid up the truck hasn't been run hard for over a month .. we are off on the long weekend coming up with camper and the quads so i hope to burn the carbon off then ...


Gary
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Old Jun 25, 2007 | 05:50 PM
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From: Ranger, GA
mine did that EXACT same thing took it to the dealership and they put a new injector in it and it hasn't done it since.
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Old Jun 25, 2007 | 05:53 PM
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From: FRASER VALLEY B.C.
Originally Posted by gafirefighter
mine did that EXACT same thing took it to the dealership and they put a new injector in it and it hasn't done it since.
did it continue to do it ?? got in it to go to work this morning and it started like a dream ... so hopefully it was something that was mentioned above

Gary
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