Hard Start or No Start Condition After Using the Block Heater When Temperatures are Below -15 °C (0 °F) – 2011-2014 Ford F-150

FORD:

2011-2014 F-150

This article supersedes TSB 14-0077 to update the Service Procedure.

ISSUE:

Some 2011-2014 F-150 vehicles equipped with 3.5L Gasoline Turbocharged Direct Injection (GTDI) engine may exhibit a hard to start or no start condition after using the block heater when temperatures are below -15 °C (0 °F).

ACTION:

Follow the Service Procedure steps to correct the condition.

SERVICE PROCEDURE

1. Is the vehicle equipped with a heater in the thermostat housing? Refer to Workshop Manual (WSM), Section 303-03.
   1. Yes – proceed to Step 2.
   2. No – this article does not apply. Refer to Powertrain Control/Emissions Diagnosis (PC/ED) manual for normal diagnosis.
2. Remove existing cooling system heater and wire harness.
3. Install the immersion block heater and harness kit. Refer to the instruction sheet included in the kit.
   1. It is not necessary to remove the left hand turbocharger assembly.
   2. Use special tool 303-1638 to install the immersion block heater.
4. Fill the cooling system, refer to WSM, Section 303-03.

Recommend to the customer that they plug the block heater in at temperatures at or below -15 °C (0 °F) to improve cold starting.

DL3Z-6D008-A

Immersion Block Heater Kit

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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.

DEALER CODING

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Last update on 2026-05-11 / Affiliate links / Images from Amazon Product Advertising API

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