hesitation and surging 0603 code tripped - Ford Powerstroke Diesel Forum
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post #1 of 3 Old 08-06-2010, 06:38 PM Thread Starter
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hesitation and surging 0603 code tripped

I have a stock (other than a 1705 supertuner) 99 late 7.3. My engine is tripping a 0603 KAM error code read on my superchips 1705 tuner. the engine is extremely sensitive to throttle position off Idle and when coasting downhill on the highway with the converter still locked up. Its like a TPS position error or something. its only in the first 1/2 inch of throttle travel, ...it doesnt do it all the time, hot cold doesnt matter.

It does it with the stock program in it and also with either of the superchip tunes installed (toew or performance)...The dealer says I have a chip in it even though its in his hands with the stock program in it.. he hooked up the IDS and CND it.

any Ideas?


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post #2 of 3 Old 08-19-2010, 06:18 PM
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i was hoping to solve my problem by reading your post ! same code.same tuner same truck. the only diffence is at wot it shut down and when i back the petal it picks back up. changing fuel filter first .petal next(1999 F250 4X4 7.3 210000 on the clock)

Last edited by POPSAT4T; 08-20-2010 at 02:42 AM.
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post #3 of 3 Old 08-19-2010, 08:02 PM
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There is some real talent on the ORG, if you really want some good advice you have to tell these guys more about your trucks. Good luck guys!


2003 F250 Superduty XLT:

7.3L Powerstroke
TS Performance 6 Position Flip Chip
Eighteen K Power Module
DFUSER MAP-Maximizer
Turbo Master Wastegate Controller
Borg Warner Compressor Wheel
FASS Fuel Pump
FASS Suction Tube
AIH Delete W/Boost Fitting
Sonnax Shift Kit
DIY Big Air Filter
4" Magnaflow Turbo Back SS Exhaust
AutoMeter Ultra-Lite Gauges
6" Suspension Lift
35" Tires

45 Auto
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