lugs on takeoff overall power is low - Ford Powerstroke Diesel Forum
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Old 03-18-2009, 06:43 PM
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lugs on takeoff overall power is low

I have a 99 F-350 SRW with the 7.3, 208000 miles. During takeoff motor wants to lug a little bit and overall acceleration feels a little slugish. This is my first diesel but from riding in others mine does not seem to have as much power. I have replace air and fuel filter and there are no active codes showing up. The truck starts and runs ok just lack of power. Would appreciate some advice on what to look at next.

thanks in advance
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Old 03-18-2009, 06:48 PM
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Well im sure its running fine. You probably need a good intake and a custom chip and you will be happy.
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Old 03-18-2009, 06:58 PM
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wasnt sure if this was normal for a stock 7.3 with six speed, I rode in an automatic same year as my truck and it performed much better.
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Old 03-18-2009, 06:59 PM
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Yeah autos seem like they would have more I guess, but im sure with an intake and exhaust and a chip you'd be very happy.
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Old 03-19-2009, 12:01 PM
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Is it an early or late 99 ?
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Old 03-19-2009, 01:34 PM
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what did the fuel filter look like dirty, clean?.if it was dirty enough wouldnt be a bad idea to run a fuel pressure gauge see what kinda pressures you got.
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Old 03-19-2009, 01:45 PM
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i would also take a look at the turbo for dusting and shaft play.
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Old 03-19-2009, 03:09 PM
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manufactured 10/98

fuel filter was dirty
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Old 03-21-2009, 01:22 PM
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same problem

My truck is acting the same way. I picked the truck up several months ago and changed the fuel filter, oil, DIY intake, 4in turbo back exhaust.

My truck seems to struggle on take off and just doesnt seem to have the pick up I was expecting. The turbo has a little evidence of dusting but nothing major.

189,xxx miles, early 99, 6speed, supercab, 4x4. I have checked the boots for leaks and tightened the clamps. I know that i need guages, just dont have them yet.

Any advice would be appreciated.
Thanks
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