Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
FORD
Reported code forms P0304
Some 2024 F-150 vehicles built on or before 14-May-2024 equipped with a 3.5L PowerBoost may exhibit an illuminated MIL and set cylinder misfire DTCs P0300, P0316, P0301, P0302, P0302, P0304, P0305 and/or P0306. This may…
FORD
Reported code forms P0304
Some 2021 F-150 vehicles equipped with a 5.0L engine and built on or before 23-Apr-2021 may experience a runs rough, hesitation and/or a lack of power condition with an illuminated malfunction indicator lamp (MIL) with…
FORD
Reported code forms P0304
Some 2021 F-150 vehicles equipped with a 3.5L PowerBoost engine may experience a rough running engine during idle and an illuminated malfunction indicator lamp (MIL) with diagnostics trouble code (DTC) P0300, P0304,…
FORD
Reported code forms P0304
Some 2016-2017 F-150 vehicles equipped with a 2.7L EcoBoost engine and built on 1-Apr-2016 and through 1-Jan-2017 may exhibit a rough idle in neutral or park at normal operating temperature with oil consumption greater…
FORD
Reported code forms P0304
Some 2016-2017 F-150 vehicles equipped with a 2.7L EcoBoost engine and built on 1-Apr-2016 and through 1-Jan-2017 may exhibit white or blue smoke from the exhaust, rough idle in neutral or park at normal operating…
FORD
Reported code forms P0304
Some 2018 F-150 equipped with 5.0L engines built on or before 3-Jan-2018 may exhibit an illuminated MIL with diagnostic trouble codes (DTCs) P0316 and/or P0011, P0012, P0016, P0018, P0021, P0022, P0300, P0301, P0302,…
FORD
Reported code forms P0304
SOME 2016 F-150 VEHICLES EQUIPPED WITH A 2.7L GASOLINE TURBOCHARGED DIRECT INJECTION (GTDI) ENGINE AND BUILT ON 1-APR-2016 AND THROUGH 1-OCT-2016 MAY EXHIBIT WHITE OR BLUE SMOKE FROM THE EXHAUST, ROUGH IDLE IN NEUTRAL…
FORD
Reported code forms P0304
FORD: VARIOUS MISFIRE SYSTEMS FROM TURBOCHARGE DIRECT INJECTION (GTDI)ENGINES HAVE STORED DIAGNOSTIC TROUBLE CODES (DTCS) IN POWERTRAIN CONTROL MODULE P0300, P0301, P0302, P0303, P0304, P0305, P0306. *PE
FORD, LINCOLN
Reported code forms P0304
SOME VEHICLES MAY DEVELOP A COOLANT LEAK AT THE WORM GEAR CLAMP LOCATED AT THE JOINT BETWEEN THE METAL INTAKE COOLANT TUBE AND THE COIL RESULTING IN ENGINE MISFIRE WITH DIAGNOSTIC TROUBLE CODE P0304 AND / OR ROUGH IDLE.…
FORD, MERCURY
Reported code forms P0304
MALFUNCTION INDICATOR LAMP (MIL) - DIAGNOSTIC TROUBLE CODES (DTCS) P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307, AND/OR P0308 STORED IN MEMORY. *TW
FORD, LINCOLN, MERCURY
Reported code forms P0304
MALFUNCTION INDICATOR LAMP (MIL) - DIAGNOSTIC TROUBLE CODES (DTCS) P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307 AND/OR P0308 STORED IN MEMORY. *TW