Dave,
Did the CPS swap and retested.
Still got these codes:
KOER:
P0476 Exhaust Pressure Control Valve Range/ Performance
P0541 Intake Air Heater- Not used.
P0640 Intake Air Heater- Not used.
KOEO:
P0475 Exhaust Pressure Control Valve
P0640 Intake Air Heater- Not used.
On the buzz test the last 2 buzzes were dull in sound and not as fast as the others, just like before.
I don't have the FU Chip in the truck at all. I took it out to perform all tests.
Any help would be appreciated.
How do I test the ICP, IPR sensors? I know that you have info on here on how to perform all these tests, but I can't find it.
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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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