Overboost code - Ford Powerstroke Diesel Forum

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post #1 of 31 Old 09-21-2007, 12:09 PM Thread Starter
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Overboost code

I am putting out around 32 lbs of boost shouldn't i be getting an overboost code?

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2002 F250 super cab w/long bed , new 4r100 trans, rapid flow intake, zoodad mod, wicked wheel, foil delete, bellowed up pipes, Custom Wildman Tunes!, 4'' exhaust, 5'' rolled chrome tip, banks transcommand, dual trans coolers, cooling mist inject, wheels, tires, tinted windows, and all the chrome accessories I can stack on it!

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post #2 of 31 Old 09-21-2007, 12:36 PM
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Yes you should see the ses light and be defueling unless you have a map fooler.

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 31 Old 09-21-2007, 02:00 PM Thread Starter
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I don't have a map fooler and I have never had the ses light come on, will my truck be defueling even if the light isn't coming on?

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2002 F250 super cab w/long bed , new 4r100 trans, rapid flow intake, zoodad mod, wicked wheel, foil delete, bellowed up pipes, Custom Wildman Tunes!, 4'' exhaust, 5'' rolled chrome tip, banks transcommand, dual trans coolers, cooling mist inject, wheels, tires, tinted windows, and all the chrome accessories I can stack on it!

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post #4 of 31 Old 09-21-2007, 02:02 PM
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No your light will come on and you will know when you defuel. My guess is your gauge isn't reading right.

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 31 Old 09-21-2007, 02:18 PM Thread Starter
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What will the truck do when it defuels?

Yes, the Lord drives a

2002 F250 super cab w/long bed , new 4r100 trans, rapid flow intake, zoodad mod, wicked wheel, foil delete, bellowed up pipes, Custom Wildman Tunes!, 4'' exhaust, 5'' rolled chrome tip, banks transcommand, dual trans coolers, cooling mist inject, wheels, tires, tinted windows, and all the chrome accessories I can stack on it!

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post #6 of 31 Old 09-21-2007, 02:20 PM
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Fall on its face kinda like when you hit the speed or rev limiter on a stock truck. You should definately notice it if it happens.

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post #7 of 31 Old 09-21-2007, 02:23 PM Thread Starter
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Well it has never done that before, I am the second owner of the truck but I don't think it has a map fooler on it.

Yes, the Lord drives a

2002 F250 super cab w/long bed , new 4r100 trans, rapid flow intake, zoodad mod, wicked wheel, foil delete, bellowed up pipes, Custom Wildman Tunes!, 4'' exhaust, 5'' rolled chrome tip, banks transcommand, dual trans coolers, cooling mist inject, wheels, tires, tinted windows, and all the chrome accessories I can stack on it!

Ty Lord
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post #8 of 31 Old 09-21-2007, 02:27 PM
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Here is a pretty good explaination from ITP's website. My guess is you probobly have a map fooler of some kind, or your gauge isn't working.

The computer in your 7.3L Powerstroke Diesel equipped vehicle will turn on the "Service Engine Soon" light at about 24psi of boost (some calibrations may come on at lower pressures)...a pressure easily attained by many of todays high performance chips, tuners and modules. At the same time, the computer will reduce fueling (power) in an effort to bring the boost pressure down. This reduced power mode will remain in effect until the PCM sees enough continuous operation without the fault (usually a few minutes of driving), the ignition is cylced or the code that tripped the SES light is cleared electronically.

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 #9 of 31 Old 09-21-2007, 02:34 PM Thread Starter
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It must have a map fooler on it, maybe I will take a closer look and see if i can find it.

Yes, the Lord drives a

2002 F250 super cab w/long bed , new 4r100 trans, rapid flow intake, zoodad mod, wicked wheel, foil delete, bellowed up pipes, Custom Wildman Tunes!, 4'' exhaust, 5'' rolled chrome tip, banks transcommand, dual trans coolers, cooling mist inject, wheels, tires, tinted windows, and all the chrome accessories I can stack on it!

Ty Lord
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post #10 of 31 Old 09-21-2007, 02:39 PM
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Here is a pic of my engine. If you look to the passenger side and see the nob looks like a pressure regulator with the two rubber hoses one almost 360 degrees. That is a map fooler. It is sitting on top of the map sensor.

This is another popular map fooler also http://dfuser.com/Install%20Guides/D...r%20Module.pdf

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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