Thread: Help 7.3 missing, no codes, did buzz and contribution tests
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Old Sun, November 28th, 2010, 07:36 AM
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Quote:
Originally Posted by 907dave View Post
Do you have a good way to check fuel pressure?

I would be curious to see what the pressure actually is in the head.

You can pull the 1/8" plug from the rear of the driver side head, and screw in a gauge to monitor this.

Its possible that the check valve/ screen/ vibra-lok fitting at the end of the fuel line that feeds the head is restricted.
I am running AE Scanner - Ford ProLine Pack. Can't I check it with that system? At least at the Fuel Filter I know I have 79 to 81 psi, that is what the return spring is set to.
How high does the gauge need to read, if I put it on the back of the head?
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Thank you and have a great day, Troy Detweiler

I have a '99 F 250 7.3L Diesel w/ a 6 speed Tranny and 4x4.
Mods: Amsoil dual bypass oil filters, Amsoil air intake mod DIY, fuel preasure spring mod(70psi), FU Chip and Burner , 3.73 rear gears, leveling kit (DIY), Stabilizer bars on the rear axle (DIY).
'02 F 350 7.3L, 6spd,4x4,CC, Dually- Just bought 4-15-11
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