P0301 · Материалы производителя

DODGE · 2026-02-28

Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation SYMPTOM: the technician must find one or more of the following Diagnostic Trouble Codes (DTCs) have been set: ● P0300 - Multiple Cylinder Misfire. ● P0301 - Cylinder 1 Misfire. ● P0302 - Cylinder 2 Misfire. ● P0303 - Cylinder 3 Misfire. ● P0304 - Cylinder 4 Misfire. ● P0305 - Cylinder 5 Misfire. ● P0306 - Cylinder 6 Misfire. ● P0307 - Cylinder 7 Misfire. ● P0308 - Cylinder 8 Misfire. ● P0420 - Catalyst System Efficiency Below Threshold Bank 1. ● P0430 - Catalyst System Efficiency Below Threshold Bank 2. Customers may comment on or experience the following: ● A rough idle condition. This bulletin involves reprogramming the PCM with the latest…

DODGE · 2026-02-27

Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0300-00 - Multiple Cylinder Misfire - in Active or Stored status set during cold start catalyst heating. ● P0301-00 - Cylinder 1 Misfire - in Active or Stored status set during cold start catalyst heating. ● P0302-00 - Cylinder 2 Misfire - in Active or Stored status set during cold start catalyst heating. ● P0303-00 - Cylinder 3 Misfire - in Active or Stored status set during cold start catalyst heating. ● P0304-00 - Cylinder 4 Misfire - in Active or Stored status set during cold start catalyst heating. ● P0305-00 - Cylinder 5 Misfire - in Active or Stored status set…

DODGE · 2026-02-27

Flash: Powertrain Control Module (PCM) Updates **Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0300-00 - Multiple Cylinder Misfire - in Active or Stored status set during cold start catalyst heating. ● P0301-00 - Cylinder 1 Misfire - in Active or Stored status set during cold start catalyst heating. ● P0302-00 - Cylinder 2 Misfire - in Active or Stored status set during cold start catalyst heating. ● P0303-00 - Cylinder 3 Misfire - in Active or Stored status set during cold start catalyst heating. ● P0304-00 - Cylinder 4 Misfire - in Active or Stored status set during cold start catalyst heating. ● P0305-00 - Cylinder 5 Misfire - in Active or Stored status…

DODGE · 2026-02-27

Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0300-00 - Multiple Cylinder Misfire - in Active or Stored status set during cold start catalyst heating. ● P0301-00 - Cylinder 1 Misfire - in Active or Stored status set during cold start catalyst heating. ● P0302-00 - Cylinder 2 Misfire - in Active or Stored status set during cold start catalyst heating. ● P0303-00 - Cylinder 3 Misfire - in Active or Stored status set during cold start catalyst heating. ● P0304-00 - Cylinder 4 Misfire - in Active or Stored status set during cold start catalyst heating. ● P0305-00 - Cylinder 5 Misfire - in Active or Stored status set…

RAM · 2026-02-14

Flash: Powertrain Control Module (PCM) Updates Customers **must** experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle **must** SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0300-00 - Multiple Cylinder Misfire - in Active or Stored status set during cold start catalyst heating. ● P0301-00 - Cylinder 1 Misfire - in Active or Stored status set during cold start catalyst heating. ● P0302-00 - Cylinder 2 Misfire - in Active or Stored status set during cold start catalyst heating. ● P0303-00 - Cylinder 3 Misfire - in Active or Stored status set during cold start catalyst heating. ● P0304-00 - Cylinder 4 Misfire - in Active or Stored status set during cold start catalyst heating. ● P0305-00 - Cylinder 5 Misfire - in Active or Stored…

RAM · 2026-02-14

Flash: Powertrain Control Module (PCM) Updates **Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0300-00 - Multiple Cylinder Misfire - in Active or Stored status set during cold start catalyst heating. ● P0301-00 - Cylinder 1 Misfire - in Active or Stored status set during cold start catalyst heating. ● P0302-00 - Cylinder 2 Misfire - in Active or Stored status set during cold start catalyst heating. ● P0303-00 - Cylinder 3 Misfire - in Active or Stored status set during cold start catalyst heating. ● P0304-00 - Cylinder 4 Misfire - in Active or Stored status set during cold start catalyst heating. ● P0305-00 - Cylinder 5 Misfire - in Active or Stored status…

RAM · 2026-02-04

Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0300-00 - Multiple Cylinder Misfire - in Active or Stored status set during cold start catalyst heating. ● P0301-00 - Cylinder 1 Misfire - in Active or Stored status set during cold start catalyst heating. ● P0302-00 - Cylinder 2 Misfire - in Active or Stored status set during cold start catalyst heating. ● P0303-00 - Cylinder 3 Misfire - in Active or Stored status set during cold start catalyst heating. ● P0304-00 - Cylinder 4 Misfire - in Active or Stored status set during cold start catalyst heating. ● P0305-00 - Cylinder 5 Misfire - in Active or Stored status set during…

HONDA · 2026-02-01

Service Bulletin - The piston ring function deteriorates due to ring low wear toughness and sticking from sludge. Oil adheres to the spark plug leading to carbon fouling and misfire. This can set DTCs P0301 No. 1 cylinder misfire detected, P0302 No. 2 cylinder misfire detected, P0303 No. 3 cylinder misfire detected, P0304 No. 4 cylinder misfire detected, and cause the MIL to come on.

HONDA · 2026-02-01

Service Bulletin - The piston ring function deteriorates due to ring low wear toughness and sticking from sludge. Oil adheres to the spark plug leading to carbon fouling and misfire. This can set DTCs P0301 No. 1 cylinder misfire detected, P0302 No. 2 cylinder misfire detected, P0303 No. 3 cylinder misfire detected, P0304 No. 4 cylinder misfire detected, and cause the MIL to come on.

FORD · 2026-01-22

Some of the vehicles listed in the Model statement above may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTCs) P0300, P0316, and/or P0301 through P0308. This may be due to the software in the powertrain control module (PCM).

FORD, LINCOLN · 2026-01-16

Some 2016-2017 Edge/MKX, 2017 Continental/Fusion/MKZ vehicles equipped with a 2.7L or 3.0L 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 temperature or after a hot restart. The vehicle may also exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTCs) P0300, P0301, P0302, P0303, P0304, P0305, P0306 and/or P0316, P0524 and/or P06DD with excessive oil consumption. Oil consumption may be 1 Liter (1 quart) in less than 4,800 km (3,000 miles). This may be due to the valve guides. To correct the condition replace the cylinder heads. During service and repair, achieving proper torque of the crankshaft pulley bolt is critical. Incorrect torque may…

JEEP · 2025-12-20

Not applicable to vehicles built for US market. Fuel Injector Leak Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0087-00 - Fuel Line Pressure Sensor - Bank 1 - Pressure Below Limit. ● P0300-00 - Multiple Cylinder Misfire. ● P0301-00 - Cylinder 1 Misfire. ● P0302-00 - Cylinder 2 Misfire. ● P0303-00 - Cylinder 3 Misfire. ● P0304-00 - Cylinder 4 Misfire. ● P006C-00 - Air Pressure and Temperature Sensor - Correlation. Customers may also comment on one or more of the following: ● Unstable idle. ● Abnormal engine noise This bulletin involves diagnosing and possibly replacing the fuel injectors and the high pressure tube.

JEEP · 2025-12-18

Not applicable to vehicles built for US market. Fuel Injector Leak Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0087-00 - Fuel Line Pressure Sensor - Bank 1 - Pressure Below Limit. ● P0300-00 - Multiple Cylinder Misfire. ● P0301-00 - Cylinder 1 Misfire. ● P0302-00 - Cylinder 2 Misfire. ● P0303-00 - Cylinder 3 Misfire. ● P0304-00 - Cylinder 4 Misfire. ● P006C-00 - Air Pressure and Temperature Sensor - Correlation. Customers may also comment on one or more of the following: ● Unstable idle. ● Abnormal engine noise This bulletin involves diagnosing and possibly replacing the fuel injectors and the high pressure tube.

FORD · 2025-11-26

This article supersedes TSB 25-2322 to update the Service Procedure, Labor Operations and Parts List. Some of the vehicles listed in the Model statement above may exhibit an upper engine ticking or tapping noise at idle. Customers may also report experiencing rough engine performance, engine misfire, or a malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P0301-P0308 in the powertrain control module (PCM). This may be due to camshaft and/or valve tappet having excess wear within the engine assembly.

FORD · 2025-11-18

Some of the vehicles listed in the Model statement above may exhibit an illuminated malfunction indicator lamp (MIL) with DTCs P0301-P0306, P0201-P0206 and/or various other powertrain DTCs stored in the PCM. This may be due to the engine harness contacting the hose crimp end or spring clamp tangs on the exhaust heat exchanger heater hose assembly.

JEEP · 2025-11-08

Not applicable to vehicles built for US market. Fuel Injector Leak Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0087-00 - Fuel Line Pressure Sensor - Bank 1 - Pressure Below Limit. ● P0300-00 - Multiple Cylinder Misfire. ● P0301-00 - Cylinder 1 Misfire. ● P0302-00 - Cylinder 2 Misfire. ● P0303-00 - Cylinder 3 Misfire. ● P0304-00 - Cylinder 4 Misfire. ● P006C-00 - Air Pressure and Temperature Sensor - Correlation. Customers may also comment on one or more of the following: ● Unstable idle. ● Abnormal engine noise This bulletin involves diagnosing and possibly replacing the fuel injectors and the high pressure tube.

RAM · 2025-10-22

Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **P06DD-00 - Engine Oil Pressure Control Circuit Performance/Stuck Off. ● P0073-00 - Ambient Air Temperature Sensor Circuit "A" High. ● P0071-00 - Ambient Air Temperature Sensor Performance. ● P2C90-00 - Crankcase Ventilation System - Hose "A" Disconnected. ● P1CEA-00 - Boost Side EVAP Purge System Performance. ● P05BD-00 - Stop-start Mode Switch Range/Performance. ● P00C6-00 - Fuel Rail Pressure Too Low - Engine Cranking. ● U0673-00 - Lost Communication With Ion Sense Module.** ● P00C6-00 - Fuel Rail Pressure Too Low - Engine Cranking - in ACTIVE or STORED status. ●…

RAM · 2025-09-27

Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **P00C6-00 - Fuel Rail Pressure Too Low - Engine Cranking - in ACTIVE or STORED status. ● P0325-00 - Knock/Combustion Vibration Sensor 1 Circuit - in ACTIVE or STORED status. ● P0330-00 - Knock/Combustion Vibration Sensor 2 Circuit - in ACTIVE or STORED status. ● P032A-00 - Knock-Combustion Vibration Sensor C Circuit - in ACTIVE or STORED status. ● P018B-00 - Fuel Pressure Sensor "B" Circuit Range/performance - in ACTIVE or STORED status. ● P2AF6-00 - Starter Relay 3 Stuck Off - in ACTIVE or STORED status. ● P0300-00 - Multiple Cylinder Misfire - in ACTIVE or STORED status…

RAM · 2025-09-03

Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P00C6-00 - Fuel Rail Pressure Too Low - Engine Cranking. ● P0325-00 - Knock/Combustion Vibration Sensor 1 Circuit. ● P0330-00 - Knock/Combustion Vibration Sensor 2 Circuit. ● P032A-00 - Knock-Combustion Vibration Sensor C Circuit. ● P018B-00 - Fuel Pressure Sensor "B" Circuit Range/performance. ● P2AF6-00 - Starter Relay 3 Stuck Off. ● P1CEA-00 - Boost Side EVAP Purge System Performance. ● U0104-00 - Lost Communication With Cruise Control Module and U0405 - Invalid Data Received From Cruise Control Module may also be set. This software flash will allow these permanent fault…

JEEP · 2025-09-03

Not applicable to vehicles built for US market. Spark Plug Melting Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0300 -00 - Random/Multiple Cylinder - Misfire Detected. ● P0301 -00 - Cylinder 1 - Misfire Detected. ● P0302 -00 - Cylinder 2 - Misfire Detected. ● P0303 -00 - Cylinder 3 - Misfire Detected. ● P0304 -00 - Cylinder 4 - Misfire Detected. ● P1336 -00 - Combustion misfiring (impact on catalytic converter) : Cylinder undetermined. ● P1337 - Combustion misfiring (impact on catalytic converter) : Cylinder 1. ● P1338 - Combustion misfiring (impact on catalytic converter) : Cylinder 2. ● P1339 - Combustion misfiring (impact on catalytic converter) : Cylinder 3. ●…

HONDA · 2025-08-29

Service Bulletin - The piston ring function deteriorates due to ring low wear toughness and sticking from sludge. Oil adheres to the spark plug leading to carbon fouling and misfire. This can set DTCs P0301 No. 1 cylinder misfire detected, P0302 No. 2 cylinder misfire detected, P0303 No. 3 cylinder misfire detected, P0304 No. 4 cylinder misfire detected, and cause the MIL to come on.

HONDA · 2025-08-29

Service Bulletin - The piston ring function deteriorates due to ring wear and sticking from sludge. Oil from the crankcase adheres to the spark plug leading to carbon fouling and misfire. This can set DTCs P0301 No. 1 cylinder misfire detected, P0302 No. 2 cylinder misfire detected, P0303 No. 3 cylinder misfire detected, P0304 No. 4 cylinder misfire detected, and cause the MIL to come on.

GENESIS · 2025-08-06

Certain G80 (RG3), GV70 (JK1/JK1A), and GV80 (JX1) vehicles equipped with Theta III 2.5L T-GDI engines may illuminate the Check Engine Light as a result of misfire DTCs P0300, P0301, P0302, P0303, or P0304 during cold start. This bulletin provides instructions for updating the Engine Control Module (ECM).

GENESIS · 2025-08-06

Certain G80 (RG3), GV70 (JK1/JK1A), and GV80 (JX1) vehicles equipped with Theta III 2.5L T-GDI engine may illuminate the Check Engine Light as a result of misfire DTCs P0300, P0301, P0302, P0303, or P0304. The California Air Resources Board has determined that these vehicles may be releasing air pollutants which exceed Federal and California standards.

HONDA · 2025-07-29

Owner Notification Letter - the piston ring function can deteriorate due to ring low wear toughness and sticking from sludge. Oil adheres to the spark plug leading to carbon fouling and misfire. This can set DTCs P0301 No. 1 cylinder misfire detected, P0302 No. 2 cylinder misfire detected, P0303 No. 3 cylinder misfire detected, P0304 No. 4 cylinder misfire detected, and cause the Malfunction Indicator Lamp (MIL) to come on.

FORD · 2025-07-18

This article supersedes TSB 25-2200 to update the parts list to add the new camshaft and tappet service kit and add F-650/F-750. Some of the vehicles listed in the Model statement above may exhibit an upper engine ticking or tapping noise at idle. Customers may also report experiencing rough engine performance, engine misfire, or a malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P0301-P0308 in the powertrain control module (PCM). This may be due to camshaft and/or valve tappet having excess wear within the engine assembly.

HONDA · 2025-07-18

Service Bulletin - The piston ring function deteriorates due to ring wear and sticking from sludge. Oil from the crankcase adheres to the spark plug leading to carbon fouling and misfire. This can set DTCs P0301 No. 1 cylinder misfire detected, P0302 No. 2 cylinder misfire detected, P0303 No. 3 cylinder misfire detected, P0304 No. 4 cylinder misfire detected, and cause the MIL to come on.

HONDA · 2025-07-18

Service Bulletin - The piston ring function deteriorates due to ring low wear toughness and sticking from sludge. Oil adheres to the spark plug leading to carbon fouling and misfire. This can set DTCs P0301 No. 1 cylinder misfire detected, P0302 No. 2 cylinder misfire detected, P0303 No. 3 cylinder misfire detected, P0304 No. 4 cylinder misfire detected, and cause the MIL to come on.

JEEP · 2025-07-01

Fuel Injector Leakage NOTE: Does not apply to vehicles built for US Market. Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0087 - Fuel Rail Pressure Too Low - Bank 1. ● P0300 - Multiple Cylinder Misfire. ● P0301 - Cylinder 1 Misfire. ● P0302 - Cylinder 2 Misfire. ● P0303 - Cylinder 3 Misfire. ● P0304 - Cylinder 4 Misfire. ● P006C - MAP - Turbocharger Inlet Pressure Correlation. Customers may also experience one or more of the following: ● The injector light is illuminated on the Instrument Panel Cluster (IPC). ● Engine idle is unstable. ● Abnormal noise from the engine. This bulletin involves inspecting for a fuel injector leak and possibly replacing the fuel…

TOYOTA · 2025-06-25

Some 2021 – 2022 model year Avalon, 2018 – 2024 Camry, 2019 – 2025 model year Corolla, 2022 – 2025 model year Corolla Cross, and 2019 – 2025 model year RAV4 vehicles with A25A-FKS and M20A-FKS engines may have a MIL ON condition with one or more of the following Diagnostic Trouble Codes (DTCs) upon cold soak start up with engine coolant temperatures between 14°F – 41°F: •P030027 – Random/Multiple Cylinder Misfire Detected (Emission) Signal Rate of Change Above Threshold •P030000 – Random/Multiple Cylinder Misfire Detected •P030100 – Cylinder 1 Misfire Detected •P030200 – Cylinder 2 Misfire Detected •P030300 – Cylinder 3 Misfire Detected •P030400 – Cylinder 4 Misfire Detected