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Loss of power uphill in 1993 GM 6.5 turbo

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Old 08-07-2011, 09:08 PM
Nordskiboy's Avatar
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Default Loss of power uphill in 1993 GM 6.5 turbo

So I put on the snow performance tow max on my 33' rv and it works awesome, but I wasent getting good boost so I wired my wastegate shut, works great now, no boost over 15.5. But the porblem came this weekend on the way to the desert. We made it about 50 miles from the house and we were going up a small long grade and i started to loose power gradualy. I made it off the exit at about 1mph and shut if off. Sat there scratching my head(new diesle guy) and made a few calls to budys and ended up bleeding one of the injecters and walla, it runns great for another 5miles then did it again, I bled it again and it worked great again. That was Friday, so we left today (sunday) and it happend again a couple times I cleaned out my fuel filer wich I had just replaced and was dirty again at the bottom of the dish and refilled it. Checked the lifter pump and it filled my tool box I had with me under the coach So about a 100mile run back home and it happened twice ,both times I was pushing it to trying to get it to happen so I can figure out if its fix or not. Got Dove season coming up the end of this month and don't want to be broke down the family in 115* weather. I was wondering if this sounds like the (ops) oil pressure switch or a pin hole somewhere, I just don't know where to start? When it runs it runs really good theres original 48k on the motor.
Thank you for any help.
Andrew
 
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