Are these trucks supposed to be slow??? - Ford Powerstroke Diesel Forum
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Old 11-20-2009, 08:58 AM
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Question Are these trucks supposed to be slow???

Okay. I have a basically stock 01' F-250 crewcab that is all stock except a cold air intake and an exhaust. It's like a 3 or 4" exhaust.

To my knowledge the truck does not have an active tuner in place and I think it may have had one before I bought it but it definitely does not drive like it has ANY type of tune or chip currently.

Anyway, the truck is a slug off the line. It doesn't want to get out of it's own way sometimes. Sometimes I can floor it and it will spool up but it really don't wanna move any and actually accelerate much. That's on the roll about 20-35 and you'd think it would run a little better.

I've heard these trucks aren't really powerhouses that much and lot's have told me that they naturally come a "little lazy" on the bottom end especially.

I have two codes. 1) wastegate solenoid fault
2) low boost code

I'm not thinking that I could be losing THAT much boost that it would be that noticeable so I guess I need to check for leaks just the same.......but anyway, are these trucks naturally sluggish to start with??????
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Old 11-20-2009, 09:00 AM
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check your boots you might have a loose one or even a leak in one. if not buy a TW or DP chip and see how much it brings er to life
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Old 11-20-2009, 09:09 AM
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yeah check the boots. they rot and you could have a boost leak that'd definitely be noticeable.
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Old 11-20-2009, 12:14 PM
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Once you determine the low boost and fix it get gauges first before a TW chip. What intake?
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Old 11-20-2009, 12:39 PM
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low boost would give you lots of smoke. the PCM shoots fuel into the motor making power that will turn the turbo giving boost. if there is a leak and the boost stays low, you will see the extra fuel coming out the tail pipe.

How much boost are you seeing now?
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Old 11-20-2009, 12:53 PM
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not true cause it wont fuel until the map sees a certain amount of boost unless you have a chip or tune to fool it
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Old 11-20-2009, 01:20 PM
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hows the turbo? no end play? comp wheel in good shape? other things to be considered.
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Old 11-20-2009, 05:22 PM
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Quote:
Originally Posted by caryt View Post
Once you determine the low boost and fix it get gauges first before a TW chip. What intake?

It's a Spectre. And I've got a two gauge pillar mount with trans temp and pyrometer. Wish I'd gotten the boost also

Spectre Performance 9922 - Spectre Cold Air Intake Systems - Overview - SummitRacing.com

Last edited by E'sStrokr01; 11-20-2009 at 05:25 PM.
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Old 11-20-2009, 05:35 PM
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Originally Posted by HVAC SuperTech View Post
hows the turbo? no end play? comp wheel in good shape? other things to be considered.
Nick, tell me more on how to check the turbo.

Thanks
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Old 11-21-2009, 06:50 AM
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you wanna pull the intake completely off the end of the turbo, and look at the wheel. if its chewed up its hitting the housing. Check the shaft for up/down play and in/out play. in or out play will tell you that you have some oiler rings gone bad, and its letting the comp wheel hit the comp housing.

you should have very very little to no play up down in or out on the shaft. you can swing by the house since you live close. I can help you maybe. call me, 768-0403
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