Special Service Message 53971 - 2024-2025 Nautilus - 2.0L EcoBoost + Other Models, Model Years, Engines - Misfire With DTC(s) P0301, P0302, P0303, And/Or P0304 Stored In The PCM

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SSM 53971 - 2023-2025 Various Vehicles - 1.5L/2.0L/2.3L - Misfire With DTC(s) P0301, P0302, P0303, And/Or P0304 Stored In The PCM

Some 2023-2025 Escape vehicles equipped with a 1.5L/2.0L EcoBoost engine, 2023-2025 Corsair vehicles equipped with a 2.0L EcoBoost engine, 2024-2025 Nautilus vehicles equipped with a 2.0L EcoBoost engine, 2024-2025 Mustang vehicles with a 2.3L EcoBoost engine, and 2025 Bronco/Explorer/Ranger 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). This may be due to the spark plugs and/or ignition coils. To correct the condition, refer to Workshop Manual (WSM), Section 303-07 for normal diagnostics.

 

For reference, diagnostic Pinpoint Test HD is attached below as a PDF document...

 

PINPOINT TEST HD - MISFIRE DETECTION MONITOR - Diagnosis and Testing - 2024-2025 Nautilus Workshop Manual.pdf