7.3 runs a bit poor... Shop says tuner? - Ford Powerstroke Diesel Forum
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Old 05-08-2014, 09:27 AM
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7.3 runs a bit poor... Shop says tuner?

Was hoping to get done feedback before getting a new tuner. I currently have a dp tuner f5 chip on my 2001 f250 with 160k miles with stock, 60hp tow, 80hp tow, 80hp Eco (city) and 120hp race. I had some turbo surge sometimes when the engine was cold as well as random jerking at 70mph with cruise.

Truck shows zero codes, injectors all are working properly and no compression issues. The mechanic told me it runs very poor in when it's cold except when it was set to stock mode. It also seems to slam into gear so I'm guessing my tranny is suffering a bit.

Any thoughts on whether a tuner chip not tuned well for my truck could be causing all my issues?

Any feedback would be great. This is also my first 7.3 and I bought it in December so I'm not quite sure how it should run.

Thanks in advance!
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Old 05-08-2014, 10:00 AM
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DP dumbs down injectors until it warms up. You'd be driving along and all of a sudden it gives you all your power, that could be your problem.

Turbo surge is turbo surge

When I ran DP it also slammed into gear

Last edited by schlutzer; 05-08-2014 at 10:03 AM.
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Old 05-08-2014, 10:20 AM
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Do you happen to know if that also applies to their new tunes? This chip has to be 3-4 years old.

Any recommendations for a different brand of tuner? I'd really like a highway Eco since 95% of my driving is highway.

Forgot to add in... I was originally going to get a wicked wheel to hopefully help the jerking and he made it clear he thought it was completely unnecessary.

Last edited by winona78; 05-08-2014 at 10:25 AM.
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Old 05-08-2014, 10:41 AM
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They can change the tunes however you want. Even get rid of the retarded sensitive pedal if you want.

If you want to switch tuners you need to sell your chi.
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