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Ray M.
Ray M., Ford Master Tech
Category: Ford
Satisfied Customers: 3011
Experience:  30+ years in trade, Ford Master Tech, Journeyman Automotive Tech
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2003 Ford F350: Turbo Diesel..towing..lost power..power while pulling

Customer Question

2003 Ford F350 Turbo Diesel with towing package just lost power while pulling up our 5th wheel uphill. It will not go past 20 kms an hour. What is the problem
Submitted: 7 years ago.
Category: Ford
Expert:  Ray M. replied 7 years ago.
It could be one or more bad injectors or as simple as a sticking EGR valve,does the engine run rough when idling and is it hard to start when cold?
Customer: replied 7 years ago.

It does not run rough when idling and it is not hard to start when cold.

The towing button on the side when you press it in does not work and it did before. It would gear down going downhill just by lightly putting on the brakes and it would automaticaly gear for the hills too. That doesn't work and there is no power going uphill

Expert:  Ray M. replied 7 years ago.
It sounds like you may have a transmission problem and the trans has gone into failsafe mode,this locks the trans into higher gears to prevent further damage.I would suggest you have it scanned for codes and to check the sensor readings.
Customer: replied 7 years ago.
It does go into all the gears. We did take it to a mechanic and they did a scan to check the sensor readings and it indicated that it was in the turbo and we have a friend that is real good with mechanics and he has suggested the fuel filter. What do you think?
Expert:  Ray M. replied 7 years ago.
Do you know what the code # XXXXX?
Customer: replied 7 years ago.

The code for what? We just found out the the truck is a rebuild and it has a 2006 6 L engine.

Expert:  Ray M. replied 7 years ago.
The trouble code that made them think it was the turbo?

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