Turbo issue..
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Joined: Jun 2010
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Turbo issue..
Hey Gang,
I own a 2001 F-350 Crew cab, Short bed, DRW, 2WD with the 7.3 . On a recent trip on the highway after about 2.5 hours towing a light car hauler trailer (weight- 1150 lbs and empty), While cruising at 75 MPH, The fan /Turbo or what ever it is that kicks in when I put a load the engine started to surge for about 10 seconds. I let off on it and it stopped but it would surge as long as I put fuel to it. after about a minute, it stopped. it did not do it again until my return trip with a load of wood, about 500 lbs. on the same trailer and it did it again...same story.In both events, I just backed it down a bit and after a minute it quit surging and has not done it again. I bought the truck new in 01 and have had no problems until now. Mileage is 126,700 and has been serviced every 5000 mileswith out fail. I haul a 30 ft Travel Trailer and it pulls like a dream, but I haven't pulled that trailer this year yet. In the past, When pulling it in the mountains or up steep grades, with a load , before it would make that hard blowing fan noise which I assume is the Turbo kicking in. Yea, I don't know a lot about the turbo but I sure like the power. Anybody have any ideas? I sure would appreceiate it. Thank you for your time.
v/r
D.K. Spencer
I own a 2001 F-350 Crew cab, Short bed, DRW, 2WD with the 7.3 . On a recent trip on the highway after about 2.5 hours towing a light car hauler trailer (weight- 1150 lbs and empty), While cruising at 75 MPH, The fan /Turbo or what ever it is that kicks in when I put a load the engine started to surge for about 10 seconds. I let off on it and it stopped but it would surge as long as I put fuel to it. after about a minute, it stopped. it did not do it again until my return trip with a load of wood, about 500 lbs. on the same trailer and it did it again...same story.In both events, I just backed it down a bit and after a minute it quit surging and has not done it again. I bought the truck new in 01 and have had no problems until now. Mileage is 126,700 and has been serviced every 5000 mileswith out fail. I haul a 30 ft Travel Trailer and it pulls like a dream, but I haven't pulled that trailer this year yet. In the past, When pulling it in the mountains or up steep grades, with a load , before it would make that hard blowing fan noise which I assume is the Turbo kicking in. Yea, I don't know a lot about the turbo but I sure like the power. Anybody have any ideas? I sure would appreceiate it. Thank you for your time.
v/r
D.K. Spencer
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Joined: Jun 2010
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It will just start the roaring sound and begin surging. It does not down shift. I tried it in OD and drive but remained the same for about a minute. Something else that came to mind that I failed to mention before. A buddy hooked up a hyper chip to show me how it affected the performance and I drove it for a couple weeks. Then I took selected it back to Factory settings as I have done nothing to the exhaust/intake as far as upgrades go.
FTE Legend
Joined: Jul 2005
Posts: 65,938
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From: Millersville, MD
What was the outside air temp when this happened? Do you have gauges on the truck? If so, what was the egt? What was the water and tranny temp? I'll bet it was the radiator fan kicking in....mine scares the bejesus out of me when it kicks on.
Do you know that there is a section here on FTE dedicated to the 7.3? Keep scrolling down on the front page of the forums.....
Do you know that there is a section here on FTE dedicated to the 7.3? Keep scrolling down on the front page of the forums.....
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