Engine/Exhaust System - Int. Stumble/Misfire On Acceleration
TSB 12-11-1511/29/12
3.5L GTDI - INTERMITTENT STUMBLE/MISFIRE ON
ACCELERATION FROM HIGHWAY CRUISE IN HUMID
OR DAMP CONDITIONS - BUILT ON OR BEFORE
9/18/2012
FORD:
2013 F-150
ISSUE
Some 2013 F-150 vehicles built on or before 9/18/2012 and equipped with a 3.5L gasoline turbocharged direct injection (GTDI) Ecoboost engine may exhibit an intermittent stumble and/or misfire on hard acceleration after an extended drive at highway speeds during high humid or damp conditions. This could result in a steady or flashing malfunction indicator lamp (MIL) with diagnostic trouble codes (DTCs) P0300, P0304, P0305, P0306, primarily for misfire. DTC P0430 may also be present.
ACTION
Follow the Service Procedure steps to correct the condition.
SERVICE PROCEDURE
Ensure all hard fault powertrain DTCs are addressed prior to performing this service procedure.
1. Check for DTC P0430. Is DTC P0430 present?
a. Yes - Replace the left hand catalytic converter. Refer to Workshop Manual (WSM), Section 309-00. Proceed to Step 2.
b. No - Proceed to Step 2.
2. Install a new Charge Air Cooler (CAC). Refer WSM, Section 303-12.
Parts Block
WARRANTY STATUS: Eligible Under Provisions Of New Vehicle Limited Warranty Coverage And Emissions 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
121115A 2013 F-150 3.5L DOHC 0.9 Hr.
GTDI: Check DTCs,
Replace The Charge Air
Cooler Assembly Includes
Time To Transfer
Turbocharger Exhaust Inlet
and CAC Shield (Do Not
Use With Any Other Labor
Operations)
121115B 2013 F-150 3.5L DOHC1.2 Hrs.
GTDI: Check DTCs,
Replace The Charge Air
Cooler Assembly And The
Left Hand Catalyst
Converter Includes Time
To Transfer Turbocharger
Exhaust Inlet and CAC
Shield (Do Not Use With
Any Other Labor
Operations)
DEALER CODING
CONDITION
BASIC PART NO. CODE
12
(OPERATION
5E212 B)
6K775 (OPERATION A) 42
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