1994.5 - 1997 7.3L Power Stroke Diesel

overboost....

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Jan 9, 2006 | 07:27 PM

#1

barebackjake

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From: STEPHENVILLE,TX!!!!!

overboost....

ok i cant remember at the moment.....will a obs truck throw a cel and code for overboost? 25+ psi

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Jan 9, 2006 | 08:13 PM

#2

ltfox

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From: CentralEastern Utah

I thought the number was 22psi?????...........not sure.........

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Jan 9, 2006 | 08:27 PM

#3

lukecline

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From: minneapolis, ks

i have heard that some '97s will defuel but ive never had mine defuel and its a 97 pcm.

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Jan 9, 2006 | 08:37 PM

#4

1997F-350

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From: SHELTON, WA

mine does something when i hit 26 psi...not sure if its defueling or rev limiter.....too fast in 3rd gear to be paying attention to tach and everything else going on.

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Jan 9, 2006 | 08:45 PM

#5

cookie88

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From: Cabot, Arkansas

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24 on NBS, I think 1tfox is right about 22 on the OBS.

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Jan 9, 2006 | 10:11 PM

#6

Phydeaux88

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From: South Texas Coast

My 96 defueled at 22 psi until I put a fooler valve in now I can excede 30 without really trying.

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Jan 12, 2006 | 05:56 PM

#7

barebackjake

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From: STEPHENVILLE,TX!!!!!

ok, thanks i had a buddy asking me and i couldnt remember if it would throw a cel. ive had some pcm reprogramming done on my truck, it will run to the revlimiter before it backs fuel down.

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