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post #1 of 5 Old 03-26-2008, 06:05 PM Thread Starter
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Codes

I scanned my 95 7.3 with my edge evo and these codes came up. What do they mean. po603 and po476?

1995 F250 7.3 turbo
3 inch dp into 4 inch exhaust
tymar intake, Isspro boost, pyro, tranny temp gauges
tow and go shift kit, DIY electric fuel pump system with fuel pressure gauge,bronco tank mod
kcm ss hpx line, stancor gpr, 203 thermostat, 03 starter
TWchip 6 postion daily,econo,tow,street,xtreme,highidle
Banks intercooler and pipe kit,Idm Mod,CCV Mod
Plant drive wvo kit(hotfox,vegmax filters,26fphe, vegthermmega and gauges for cooliant and wvo temp)
Dana 60 front axle swap
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post #2 of 5 Old 03-26-2008, 06:14 PM
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The P0603 is thrown from you tuner. The p0406 is probobly your tube needs cleaning Welcome to guzzle's Exhaust Backpressure Sensor Cleaning Maintenance Web Page

2002 F-250 4x4 EC, SRW, SB
Auto 93,000 miles
DP Tuner F5
ATS Compressor and 1.0 Exhaust housing high flow back plate
Turbo Back 4" Silverline Exhaust Mbrp Muffler Delete
Isspro Trans,Pyro,Boost Triple Pod
Fumoto Oil Drain Valve
AIH Delete With Boost Fitting

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post #3 of 5 Old 03-27-2008, 04:36 AM Thread Starter
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So i shouldn't worry about the po603 code and clear it then?

1995 F250 7.3 turbo
3 inch dp into 4 inch exhaust
tymar intake, Isspro boost, pyro, tranny temp gauges
tow and go shift kit, DIY electric fuel pump system with fuel pressure gauge,bronco tank mod
kcm ss hpx line, stancor gpr, 203 thermostat, 03 starter
TWchip 6 postion daily,econo,tow,street,xtreme,highidle
Banks intercooler and pipe kit,Idm Mod,CCV Mod
Plant drive wvo kit(hotfox,vegmax filters,26fphe, vegthermmega and gauges for cooliant and wvo temp)
Dana 60 front axle swap
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post #4 of 5 Old 03-27-2008, 05:03 AM
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Yeah now if you had that code and didn' have a tuner or chip then you might have an issue

2002 F-250 4x4 EC, SRW, SB
Auto 93,000 miles
DP Tuner F5
ATS Compressor and 1.0 Exhaust housing high flow back plate
Turbo Back 4" Silverline Exhaust Mbrp Muffler Delete
Isspro Trans,Pyro,Boost Triple Pod
Fumoto Oil Drain Valve
AIH Delete With Boost Fitting

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post #5 of 5 Old 03-27-2008, 05:03 AM
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No worries, just clear them and run.

Custom tuning for your 1994-2010 Powerstroke Diesel
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