NHTSA ID Number: 11010920
Manufacturer Communication Number: TSB 24-2384
TSB/Document Date: 2024-12-02
Summary
Some 2023-2025 Escape/Corsair vehicles equipped with a 1.5L or 2.0L EcoBoost
engine, 2024 Mustang vehicles equipped with a 2.3L EcoBoost engine, 2024-2025 Nautilus, and 2025 Explorer vehicles equipped with a 2.3L EcoBoost engine may exhibit an engine misfire condition with diagnostic trouble codes (DTC) P0301, P0302, P0303 and/or P0304 set in the powertrain control module (PCM).
TECHNICAL SERVICE BULLETIN
Misfire With DTCs P0301, P0302, P0303, And/Or P0304 Stored In The PCM
24-2384
20 November
2024
Model:
Ford
2023-2025 Escape
Engine: 1.5L EcoBoost
Engine: 2.0L EcoBoost
2025 Explorer
Engine: 2.3L EcoBoost
2024 Mustang
Engine: 2.3L EcoBoost
Lincoln
2023-2025 Corsair
Engine: 2.0L EcoBoost
2024-2025 Nautilus
Engine: 2.0L EcoBoost
Engine: 2.0L EcoBoost Hybrid
Markets: North American markets only
Issue: Some 2023-2025 Escape/Corsair vehicles equipped with a 1.5L or 2.0L EcoBoost engine, 2024 Mustang
vehicles equipped with a 2.3L EcoBoost engine, 2024-2025 Nautilus, and 2025 Explorer vehicles equipped with a
2.3L EcoBoost engine may exhibit an engine misfire condition with DTCs P0301, P0302, P0303 and/or P0304 set in
the PCM. To correct this condition, follow the Service Procedure to diagnose the vehicle.
Action: Follow the Service Procedure to correct the condition on vehicles that meet all of the following criteria:
• One of the following vehicles:
- 2023-2025 Escape/Corsair
- 2024 Mustang
- 2024-2025 Nautilus
- 2025 Explorer
• One of the following engines:
- 1.5L EcoBoost
- 2.0L EcoBoost
- 2.0L EcoBoost Hybrid
- 2.3L EcoBoost
• Exhibits an engine misfire condition with any of the following DTCs stored in the PCM: P0301, P0302,
P0303 and/or P0304
Warranty Status: Information Only.
Repair/Claim Coding
Causal Part:
IN
Condition Code: -1
Service Procedure
NOTE: This article is for information only. Determine the causal part number and use available labor times in
the SLTS Manual or claim M-time in accordance with the Warranty and Policy Manual. Causal part number IN
in this article refers to the information only status and is not able to be claimed.
1. Remove and inspect the condition of all spark plugs. Refer to the WSM, Section 303-07. Are any spark plugs
damaged?
(1). Yes - proceed to Step 2.
(2). No - this article does not apply, replacement of the spark plugs is not necessary, proceed with normal
diagnostics found in the WSM.
2. Inspect the 12v battery positive and negative terminals for a loose condition, refer to WSM, Section 414-01 and
repair as necessary.
3. Inspect all PCM ground circuitry for loose connections and/or high resistance and repair as necessary.
4. Use a borescope to inspect the condition of the affected pistons and cylinder walls. Refer to Figures 1-3 for
examples of normal cylinder wall wear and Figures 4-5 for examples of damaged cylinder walls. Additional
examples of engine wear can be found in the Engine Failure Analysis GSB > Cylinder Wall and Piston Skirt
Inspection. Do the pistons and/or cylinder walls appear to be damaged?
Figure 1 - Showing normal cylinder wall wear
Figure 2 - Showing normal cylinder wall wear
Figure 3 - Showing normal cylinder wall wear
Figure 4 - Showing a damaged cylinder wall
Figure 5 - Showing a damaged cylinder wall
(1). Yes - remove the cylinder head to perform a more detailed inspection of the suspect damage. Refer to the
Engine Failure Analysis GSB > Cylinder Wall and Piston Skirt Inspection and repair as necessary. For cylinder
head removal, refer to the WSM, Section 303-01.
(2). No - perform a compression test and cylinder leakage test following WSM, Section 303-00 and repair as
necessary.
5. Replace all damaged spark plugs. Do not discard the damaged spark plugs so Ford can retrieve them following
the warranty parts return process.
6. Submit a GCR and include photos of damaged components, images from the borescope analysis and anything
else of interest that was found during the repair. These images will help improve engine quality for future model
vehicles.
© 2024 Ford Motor Company
All rights reserved.
NOTE: The information in Technical Service Bulletins is intended for use by trained, professional technicians with the knowledge, tools, and
equipment to do the job properly and safely. It informs these technicians of conditions that may occur on some vehicles, or provides information
that could assist in proper vehicle service. The procedures should not be performed by "do-it-yourselfers". Do not assume that a condition
described affects your car or truck. Contact a Ford or Lincoln dealership to determine whether the Bulletin applies to your vehicle. Warranty Policy
and Extended Service Plan documentation determine Warranty and/or Extended Service Plan coverage unless stated otherwise in the TSB article.
The information in this Technical Service Bulletin (TSB) was current at the time of printing. Ford Motor Company reserves the right to supersede
this information with updates. The most recent information is available through Ford Motor Company's on-line technical resources.
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TSB/Document ID: TSB 24-2384
Replacement Service Bulletin Number:
MFR Communication Date: 2024-11-22
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: UNKNOWN OR OTHER
MFR Component System:
MFR Component Subsystem:
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