Join Date: Jan 2008
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i think i have a BAD problem, but i could be wrong.
on saturday my 02 LB7 ran perfect (and it was @10deg. outside). that afternoon i put on a juice box and took it for a drive, it ran great then too. today i got in it for my weekly 335mi drive south. @ 100 mi into the trip i thought it started dieseling a little louder than normal, but didnt think much of(maybe i was paying extra attention to sounds due to the new box). another 100mi later the dieseling was REALLY getting louder.
i thought it might be some bad fuel, so i filled up again with BP fuel. it didnt really change much. it hasnt lost any noticable power, but does have a loud "dieseling" from what seem like the top-end, and the milage is down a bit.
im new to the diesel world, and have no ideas what to do at this point. i dont know if it would be from gel'd fuel(it was about 15-20 on the drive), dropped injector, bad pump, etc..
i need some elp please..