P0300 on Ford vehicles Misfire detected, but not isolated to one cylinder

A model year is listed because the code is named in its own record — a bulletin filed against it, or an owner’s complaint about it — not because every one of these vehicles sets it. Counts are documents in NHTSA’s files, not failure rates.

Owners’ own words, scrubbed of anything identifying. Unverified reports filed with NHTSA — what was said, not a finding that it was true.

Bulletins and campaigns Ford filed with NHTSA whose summary names P0300. Quote the document number at the service desk — it is a diagnosis the maker has already written down.

• SSM 46364 Service bulletin
  2017-02-07 · Engine And Engine Cooling — Exhaust System
• SOME 2017 MKZ/CONTINENTAL/FUSION VEHICLES EQUIPPED WITH THE 2.7L/3.0L ENGINE AND BUILT ON OR BEFORE 6-OCT-2016 MAY EXHIBIT A ROUGH IDLE IN NEUTRAL OR PARK AT NORMAL OPERATING TEMPERATURE OR AFTER A HOT RESTART, WHITE OR BLUE SMOKE FROM THE EXHAUST, EXCESSIVE OIL CONSUMPTION AND/OR AN ILLUMINATED MALFUNCTION INDICATOR LAMP (MIL) WITH DIAGNOSTIC TROUBLE CODES (DTCS) P0300, P0301, P0302, P0303, P0304
• TSB 17-0028 Service bulletin
  2017-03-14 · Equipment — Other — Owners/Service/Other Manual
• SOME 2014-2017 FUSION AND 2017 ESCAPE VEHICLES EQUIPPED WITH A 1.5L GASOLINE TURBOCHARGED DIRECT INJECTION (GTDI) ENGINE AND AN ODOMETER READING 16,000 KM (10,000 MILES) OR ABOVE MAY EXHIBIT LOW COOLANT, WHITE EXHAUST SMOKE AND MAY ALSO EXHIBIT AN ILLUMINATED MIL WITH DIAGNOSTIC TROUBLE CODES (DTCS) P0217, P0300, P0301, P0302, P0303, P0304, P0316 AND/OR P1299. THIS CONDITION MAY BE DUE TO AN INTAK
• TSB 17-2076 Service bulletin
  2017-04-28 · Equipment
• Some 2017 Escape/Fusion vehicles equipped with a 2.5L engine and built on or before 2-Feb-2017 may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P0300 and/or P0316 stored in the powertrain control module (PCM) memory. Follow the Service Procedure steps to correct the condition.
• SSM 47204 Service bulletin
  2018-03-30 · Engine And Engine Cooling
• Some 2015-2018 Fusion/MKZ/MKC/Escape/Edge vehicles equipped with a 2.0L EcoBoost engine may exhibit a runs rough condition with DTCs P0300, P0301, P0302, P0303, P0304 and/or P0316. This may be due to coolant intrusion due to corrosion on the engine block. To diagnose this concern, with the engine at normal operating temperature, pressurize the cooling system to 138 kPa (20 psi) and hold for 5 hour
• TSB 19-2172 Service bulletin
  2019-06-13 · Engine And Engine Cooling
• Some 2015-2018 Edge and 2015-2019 Fusion/MKZ/Escape/MKC vehicles equipped with a 2.0L EcoBoost engine may exhibit a low coolant level, white exhaust smoke and/or a runs rough condition with or without an illuminated malfunction indicator lamp (MIL). Diagnostic trouble codes (DTCs) may include P0300, P0301-P0304, P0316, P0217, P1285 and/or P1299 stored in powertrain control module (PCM). This may b
• TSB 19-2208 Service bulletin
  2019-06-27 · Engine And Engine Cooling
• Some 2015-2018 Edge and 2017-2019 Fusion/MKZ/Escape/MKC vehicles equipped with a 2.0L EcoBoost engine may exhibit a low coolant level, white exhaust smoke and/or a runs rough condition with or without an illuminated malfunction indicator lamp (MIL). Diagnostic trouble codes (DTCs) may include P0300, P0301-P0304, P0316, P0217, P1285 and/or P1299 stored in powertrain control module (PCM). This may b
• TSB 19-2139 Service bulletin
  2019-11-21 · Engine And Engine Cooling
• Some 2014-2019 Fusion vehicles built on or before 21-Feb-2019 and 2017-2019 Escape vehicles built on or before 06-Apr-2019 equipped with a 1.5L EcoBoost engine may exhibit low coolant level, white exhaust smoke and/or runs rough condition with or without an illuminated malfunction indicator light (MIL) with only diagnostic trouble codes (DTCs) P0300, P0301-P0304, P0316, P0217, P1285 and/or P1299 s
• TSB 21-2269 Service bulletin
  2021-09-09 · Power Train — Automatic Transmission — Control Module (Tcm/Pcm/Tecm)
• Some 2014-2019 Fusion vehicles built on or before 10-Jun-2019 and 2017-2019 Escape vehicles built on or before 08-Apr-2019 equipped with a 1.5L EcoBoost engine may exhibit low coolant level, white exhaust smoke and/or runs rough condition with or without an illuminated malfunction indicator light (MIL) with only diagnostic trouble codes (DTCs) P0300, P0301-P0304, P0316, P0217, P1285 and/or P1299 s
• TSB 22-2134 Service bulletin
  2022-04-15 · Engine And Engine Cooling
• Some 2014-2019 Fusion vehicles built on or before 10-Jun-2019 and 2017-2019 Escape vehicles built on or before 08-Apr-2019 equipped with a 1.5L EcoBoost engine may exhibit low coolant level, white exhaust smoke and/or runs rough condition with or without an illuminated malfunction indicator light (MIL) with only diagnostic trouble codes (DTCs) P0300, P0301-P0304, P0316, P0217, P1285 and/or P1299 s
• TSB 22-2322 Service bulletin
  2022-08-15 · Engine And Engine Cooling
• Some 2014-2019 Fusion vehicles built on or before 10-Jun-2019 and 2017-2019 Escape vehicles built on or before 08-Apr-2019 equipped with a 1.5L EcoBoost engine may exhibit low coolant level, white exhaust smoke and/or runs rough condition with or without an illuminated malfunction indicator light (MIL) with only diagnostic trouble codes (DTCs) P0300, P0301-P0304, P0316, P0217, P1285 and/or P1299 s
• 17-2235 Service bulletin
  2017-11-21 · Engine
• Some 2016-2017 Edge/MKX, 2017 Continental, and 2017 Fusion/MKZ vehicles equipped with a 2.7L or 3.0L gasoline turbocharged direct injection (GTDI) 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 temperature or after a hot restart. The vehicle may also exhibit an illuminated malfunction indicat
• SSM 46363 Service bulletin
  2017-02-07 · Engine And Engine Cooling — Exhaust System — Emission Control
• SOME 2016 EDGE/MKX VEHICLES EQUIPPED WITH A 2.7L ENGINE AND BUILT ON 1-APR-2016 AND THROUGH 1-OCT-2016 MAY EXHIBIT A ROUGH IDLE IN NEUTRAL OR PARK AT NORMAL OPERATING TEMPERATURE OR AFTER A HOT RESTART, WHITE OR BLUE SMOKE FROM THE EXHAUST, EXCESSIVE OIL CONSUMPTION AND/OR AN ILLUMINATED MALFUNCTION INDICATOR LAMP (MIL) WITH DIAGNOSTIC TROUBLE CODES (DTCS) P0300, P0301, P0302, P0303, P0304, P0305,

A stored code names the test that failed, never the part that caused it. The record above is what Ford and its owners have filed about it; the code’s page across every make has the whole file.