07 5.9 issue
i have a 07 3500 with the 5.9 6 speed manual with exhaust brake 162000 miles . it seemed all at once i lost fuel mileage and it doesnt seem to have the power it did at take off. and i have noticed some black smoke sometimes and its on the fender and bumper. i have changed oil oil filter fuel filter and air filter everything seems the same . i pull a enclosed trailer everyday. any help would be great thanks
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Anything else? Engine noise? Harder to start?
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starts fine everytime. the engine noise seems a little louder in cab. it seems like there is something holding it back runs great kinda like driving with the parking brake slightly pressed
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injectors maybe. just a shot in the dark. take it to the dealer and scan it. they should do it for free. check injector balance rates while its hooked up. let us know
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checked local dealer were i bought truck used $225 to check injectors but im suppose to drop it of monday morning thanks
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damn thats a rip off my guy at the local dealer checks all that stuff for free. anyways i hope you find your problem.
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i used a snap on modis today an diasbled the injectors one at a time an it seemed that a couple of the injectors didnt make as big of a difference as the others. some were very noticable an some you could barely feel any change
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took truck to dealer and they reflashed computer seems everything is fine again cost about 75 dollars thanks for the help
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