Compression Ignition Addict
Join Date: Oct 2010
Location: Beautiful BC
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FORD: 2008-2010 F-250, F-350, F-450, F-550
This article supersedes TSB 11-4-15 to update the Service Labor Time Standards.
Some F-Super Duty 250-550 vehicles equipped with a 6.4L diesel engine may exhibit a lack of power concern with an intermittent diagnostic trouble code (DTC) P0088; at full operating temperature during moderate to heavy acceleration.
Follow the Service Procedure steps to correct the condition.
Intermittent P0088 diagnostics:
Check all continues memory DTCs. Is DTC P0088 the only code present?
No - do not continue with this procedure. Refer to the Powertrain Control/Emission Diagnostics (PC/ED) to diagnose this concern.
Yes - continue to Step 2
Replace the high pressure pump (HPP). Refer to Workshop Manual (WSM), Section 303-04C for HPP replacement.
Both the fuel volume control valve (VCV) and fuel pressure control valve (PCV) adaptive learning parameters must be reset after a HPP replacement. Refer to PC/ED, Section 4, Hard Start/No Start Diagnostic Subroutines step 7 to reset adaptive tables.
1991 Ranger - 38" TSL's, 3 link, One tons, 5.38s on King air shocks....under construction.
1997 Ranger - reg cab flare side, 3.0L, M5OD-R1, 4x4, 31x10.50r15 MT's.
2008 F350 - Crewcab short bed, 6.4L diesel, H&S XRT Pro, AFE DOC/DPF delete
1972 Mustang Coupe - 302, c4, 9", 4.11's locked.