Ford Explorer 2023–2024 — technical service bulletin
Bulletin SSM 52503 · NHTSA communication 11000182 · issued May 2, 2024
Technical service bulletin
communication type
Fuel/propulsion System
component
2023–2024
model years
4
vehicle entries
Official summary
Some 2023-2024 Explorer/Aviator vehicles equipped with the 3.0L EcoBoost engine and up to 15,000 miles (24,140 km) may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P219A (Bank 1 Air-Fuel Ratio Imbalance) and/or P219B (Bank 2 Air-Fuel Ratio Imbalance) stored in the powertrain control module (PCM) with no effect on vehicle operation. To correct this condition, replace the fuel injector assemblies (service part L1MZ-9F593-B) for only the respective bank setting the DTC. Refer to Workshop Manual, Section 303-04B. For claiming, use causal part 9F593 and
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.