2002 7.3 runs like total CRAPP! - Ford Powerstroke Diesel Forum
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Old 10-23-2013, 06:06 PM
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Angry 2002 7.3 runs like total CRAPP!

I just bought a 2002 Ford 7.3 and I have a quick question. It has one of those DP tuners on it and when I go to selection 1 on the switcher, it lugs and the turbo doesn't even spool, and when I go to three, it puts me through the seat. The check engine light is on and no code reader I have can read it. You are my last hope before I sell it hah could the tuner be causing this or is it something major like injectors?
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  #2  
Old 10-23-2013, 08:42 PM
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Quote:
Originally Posted by Fordinmyblood View Post
I just bought a 2002 Ford 7.3 and I have a quick question. It has one of those DP tuners on it and when I go to selection 1 on the switcher, it lugs and the turbo doesn't even spool, and when I go to three, it puts me through the seat. The check engine light is on and no code reader I have can read it. You are my last hope before I sell it hah could the tuner be causing this or is it something major like injectors?
Is selection 1 a smoke tune?


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Old 10-24-2013, 02:33 PM
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Nope, it hardly does anything in selection 1. I'm guessing selection 3 is a race tune because I can feel it being hard on my tranny. Selection 2 drives like a 02 7.3 should. So I don't understand.
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Old 10-24-2013, 02:43 PM
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pull the chip out and see how it drives stock
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Old 10-25-2013, 02:21 PM
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How to I go about that, I'm new to the 7.3.
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Old 10-25-2013, 03:25 PM
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Position 1 could be the "Drive thru tune" I have it on mine. Does the engine quieten down when you switch from position 2 back to 1 at idle. If it does, then it is the drive thru tune and is not suppose to have any power. Actually you should only keep it there for like 5 min. max.
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Old 10-26-2013, 12:51 AM
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Thanks a bunch! That makes complete sense! That never clicked and yes it does lol like REALLY quite. Almost like a gasser lol
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dp tuner, problems, rough idle, running, tuner problems

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