F 250 4WD Super Duty V8-6.4L DSL Turbo (2008)
Multiple Junction Connector: Customer Interest
Electrical - Low Engine Power/MIL ON/Multiple DTC's
TSB 10-23-6
12/03/10
6.4L ENGINE - LACKS POWER, MIL ON WITH DTCS
P20E2, P20E3, P20E4, P2080, P2084, P242B, P0544,
P2031, P242A, OR P200E
FORD:
2008-2010 F-250, F-350, F-450, F-550
ISSUE
Some 2008-2010 F-Super Duty vehicles equipped with a 6.4L diesel engine may exhibit a lack of power, malfunction indicator lamp (MIL) on with
diagnostic trouble codes (DTCs) P20E2, P20E3, P20E4, P2080, P2084, P242B, P0544, P02031, P242A, or P200E.
ACTION
Follow the Service Procedure to correct the condition.
SERVICE PROCEDURE
If any exhaust gas temperature (EGI) sensor connector has been disconnected during testing, with the ignition on and the engine off:
^
Reconnect the EGI sensor.
^
Turn the ignition Off for 30 seconds before attempting to start the vehicle. Do not crank or start the engine until the ignition has been turned off for a
minimum of 30 seconds.
Failure to follow this procedure may result in a 60 minute no crank, no start condition as a result of the failure mode effects management (FMEM)
programmed into the powertrain control module (PCM).
1. Turn key off.
a. Access 34-pin connector, C110, located on the driver's side frame inside the engine compartment just below and to the left of the brake fluid
reservoir. For identification purposes, C110 contains two (2) 10-gauge wires, one red and one brown/red.
b. Disconnect connector C110, and inspect pins on both sides of the connector for debris.
c. Using contact cleaner, CRC QD(TM)Electronic Cleaner or Permatex(R) Electrical Contact Cleaner and a cleaning brush, clean pins on both sides
of C110 connector.
d. Apply a liberal amount of Motorcraft(R) Electrical Grease to the male pins of connector C110 and reconnect connector.
e. Proceed to Step 2.
2. Identify suspect EGT sensor based on DTC. Make sure the key is in the off position. Remove the EGT sensor connector from the frame rail, remove
the mounting tab from the connector assembly. (Figures 1)
