loss of throttle response after hard run - Ford Powerstroke Diesel Forum
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post #1 of 3 Old 04-17-2013, 10:01 AM Thread Starter
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loss of throttle response after hard run

Hello everyone Im new to the forum and I really need some advice. so today i was getting on the interstate and i decided to have a little fun so i turned my chip up to the 120 race tune. Everything seemed fine until i got off the interstate and was at the light. As soon as the light changed and I started to go the engine revved but it took a little while for the truck to get going. Scared the **** out of me. On the way home the truck didn't make any weird noises or anything and as of now nothing is leaking. PLEASE HELP

2001 f350 CCLB
4X4 automatic
88,000 miles
8 inch lift on 37s
k&N intake
4 inch exhaust
6 position chip
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post #2 of 3 Old 04-27-2013, 09:42 AM
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Did you get help on this yet?

John Barnett

2012 Volkswagen Jetta TDI 38 City / 54 Hwy

99.5 7.3 F-350 4.10 Dually 4x4 GTP38R, Turbo Master, PHP Hydra, DIY Tymar, Amsoil dual bypass filter, Amsoil 15w-40, 2-stroke fuel additive

(Sold) 2006 6.0 F-tree fiddy, EGR Delete, SCT Livewire, Custom Blown Standpipe O'Rings, Custom Sticking IPR, Special tune that causes it to break down only on the wife
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post #3 of 3 Old 05-02-2013, 12:13 PM
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More details would really help, or maybe more test driving on your part.

What truck do you have exactly Year/make/model/engine/transtype/other mods you've made?

When it was slow getting up to speed did your turbo spool up properly? Did it get down into low gear or did you try manually shifting into low if it's an auto? Did it go into limp mode (if automatic)? Did it sound any different driving otherwise? Do you have extra gauges with your chip for EGT/boost or anything else that might tell us what state things were in? When you say it revved, but was slow, do you mean you just couldn't accelerate as quickly as you expected with the 120 setting, but was it otherwise normal for stock/standard? Did you try other settings on your chip and get the same results? Could be your chip is acting up, could be it went into limp mode if it's automatic, could be your turbo isn't spooling up, could be you popped a leak in the pipes for the turbo. could be a lot of things, but details will help narrow it down.

2003' F350 7.3L Lariat Crew-Crab 4x4 6spd Manual Short Bed. 3.73 ratio and that's about all i know... so far.
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