Engine - Runs Rough, No Crank, Glow Plug DTC's Set

TSB 12-11-11

11/16/12

6.7L DIESEL - RUNS ROUGH - NO CRANK - GLOW
PLUG CIRCUIT DIAGNOSTIC TROUBLE CODES
(DTCS) - BUILT ON OR BEFORE 3/29/2011

FORD:
2011 F-Super Duty

ISSUE
Some F-Super Duty vehicles equipped with a 6.7L diesel engine and built on or before 3/29/2011 may exhibit a runs rough or no crank concern. DTCs P0671, P0672, P0673, P0674, P0675, P0676, P0677 and/or P0678 may be stored in the Powertrain Control Module (PCM). The glow plug circuit DTCs may also be accompanied by cylinder misfire DTCs, cylinder contribution DTCs or other engine performance DTCs.

ACTION
Follow the Service Procedure steps to correct the condition.

SERVICE PROCEDURE

1. Does the vehicle exhibit a runs rough, no crank concern with any of the following DTCs P0671, P0672, P0673, P0674, P0675, P0676, P0677 and/or P0678?

a. No - this article does not apply. Refer to the Powerirain Control/Emissions Diagnosis (PC/ED) manual for normal diagnosis.

b. Yes - proceed to Step 2.

2. Remove and inspect the glow plug associated with glow plug circuit DTC present. Refer to Workshop Manual (WSM), Section 303-07C. Is the glow plug damaged?

a. No - this article does not apply. Refer to the PC/ED manual for normal diagnosis.

b. Yes - replace the engine long block. Refer to WSM, Section 303-01C.

(1) For prior approval warranty repairs, complete the cost cap tool by selecting short block, both cylinder heads, oil cooler and 16 lifters.





Parts Block

WARRANTY STATUS: Eligible Under Provisions Of New Vehicle Limited Warranty Coverage Warranty/ESP coverage limits/policies/prior approvals are not altered by a TSB. Warranty/ESP coverage limits are determined by the identified causal part and verified using the OASIS part coverage tool.

OPERATION DESCRIPTION TIME

121111A 2011 F-Super Duty 6.7L 18.0
Check DTCs, Inspect Glow Hrs.
Plug, Replace Long Block
(Can Be Claimed With
Operation B)

121111B Additional time to contact 0.3 Hr.
hotline and complete
online forms. This
operation is to be used
only for dealerships that
require prior approval (Can
Be Claimed With Operation
A)

DEALER CODING
CONDITION
BASIC PART NO. CODE
6505 01





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