2000 F350 7.3 P0603 - Ford Powerstroke Diesel Forum
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post #1 of 3 Old 06-19-2013, 11:11 AM Thread Starter
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2000 F350 7.3 P0603

Truck ran fine 2 days ago. Got in it today and it ran and idled like crap. Have a superchips programmer, removed the tow/safe program. Went into diagnostics and came up with p0603 code. Not sure where to start. I would appreciate any help i can get. Thx.
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post #2 of 3 Old 06-21-2013, 08:05 PM
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p0603 is an overboost code related to your chip.
that code doesn't have anything to do with your symptoms.

99.5 f250 7.3 4x4 255k
PHP Phoenix, S&B, 4" Diamond Eye, Hpx, Stancor, RR Billet Wheel, RR AIH Delete, Autometer Gauges, Pro Comp leveled, Transgo Tugger, Billet TQ Converter, Warn Hubs, Int'l Up-Pipes, RR IC-Boots, Non-Ebpv Pedestal, High Flow Outlet, Hucorey's HPOP Lines, RR High Flow Fuel Fittings, RR OCR, Barder 360 Thrust Kit, 08 Tow Mirrors.

Dad-2000 7.3 108k miles, Autometer Gauges, Superchips 1705, RR AIH Delete, 6637, 4" Diamond Eye, BD Billet Wheel, TruCool Max
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post #3 of 3 Old 07-17-2013, 11:41 AM Thread Starter
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It wound up being a bad injector, running like new now.
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