Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
HONDA
Reported code forms P0300
"Service Bulletin - The PCM software may misinterpret sensor inputs as a deteriorated catalytic converter. Additionally, debris from the high pressure pump or the fuel injector machining process can cause internal wear…
HONDA
Reported code forms P0300
"Service Bulletin - The PCM software may misinterpret sensor inputs as a deteriorated catalytic converter. Additionally, debris from the high pressure pump or the fuel injector machining process can cause internal wear…
HONDA
Reported code forms P0300
Service Bulletin - MIL Comes On with DTC P0300-P0306 or P219A/B
FORD
Reported code forms P0300
Some 2017-2021 Ford GT vehicles may exhibit a runs rough or hard start with or without an illuminated MIL with DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306 and/or P0316. Prior to performing any diagnostics,…
SUBARU
Reported code forms P0300
This bulletin provides a procedure for diagnosis and repair of DTC P0300 which may result from fluctuation of the alternator's current output outside of the specified limits.
JEEP
Reported code forms P0300
Customer?s complaint may include a MIL-on with one or more of the following DTCs (Active, Pending, or Stored) in the PCM: P0133, P0137, P0171, P0300, P2096. The root cause could be due to oil leaking from Bank 1 valve…
JEEP
Reported code forms P0300
Customer's complaint may include a MIL-on with one or more of the following DTCs (Active, Pending, or Stored) in the PCM: P0133, P0137, P0171, P0300, P2096. The root cause could be due to oil leaking from Bank 1 valve…
MAZDA
Reported code forms P0300:00
Some vehicles may exhibit an occasional rough idle accompanied with DTC P0300:00 (Random misfire) due to the following: 1. While closing the EGR valve, carbon deposit etc. pinched at the valve seat prevents the valve…
RAM
Reported code forms P0300
Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further…
ALFA ROMEO
Reported code forms P0300
Customer complaint includes Mil/Check Engine light on and possibly experiencing engine running rough for 60-90 seconds following a cold start. Upon further investigation there may be a fault code for P0300 -Multiple…
JEEP
Reported code forms P0300
Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the Powertrain Control Module (PCM) with thelatest available software. The customer may experience a Malfunction Indicator Lamp (MIL)…
TOYOTA
Reported code forms P030000 P030027 P030085
TSB: Some 2018 model year Camry and 2019 model year Avalon vehicles equipped with 2GR-FKS (V6) engines may exhibit a MIL ON condition with one or more of the following Diagnostic Trouble Codes (DTCs): ?P030000 ?…
RAM
Reported code forms P0300
Check Engine Lamp On, P1300 Crankshaft Position Learn Out of Range And P0300 Multiple Cylinder Misfire
HONDA
Reported code forms P0300
"Service Bulletin - The PCM software may misinterpret sensor inputs as a deteriorated catalytic converter. Additionally, debris from the high pressure pump or the fuel injector machining process can cause internal wear…
HONDA
Reported code forms P0300
Service Bulletin - The MIL comes on with DTC P0300 (random misfire detected), and/or P0301-P0306 (cylinder misfire detected), or P219A/B (air-fuel ratio variation of cylinder [bank 1, rear bank/bank 2, front bank]).
CADILLAC, CHEVROLET, GMC
Reported code forms P0300
This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and engine noise with possible of DTC P0300 P0106 P0506, Possible valve spring concern
FORD
Reported code forms P0300
Some 2020 F-53 Motorhome Chassis vehicles equipped with a 7.3L engine may exhibit an illuminated malfunction indicator lamp (MIL) with a misfire or lack of power with diagnostic trouble codes (DTC) P0300, P0316, and/or…
CADILLAC, CHEVROLET, GMC
Reported code forms P0300
This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and engine noise with possible of DTC P0300 P0106 P0506, Possible valve spring concern
BUICK, CHEVROLET
Reported code forms P0300
This Preliminary Information communication provides information to the technician about vehicles that may have a rough idle or misfire. Technician may find Diagnostic Trouble Code P0300 set in the Engine Control Module.…
ALFA ROMEO
Reported code forms P0300
Issue includes a fault code(s) set in the Powertrain Control Module (PCM) for P0299, P0300, P0301, P0302, P0303, and/or P0304 after performing the PCM software update process for Customer Satisfaction Notification (CSN)…
CHRYSLER
Reported code forms P0300
Engine Ticking Noise This bulletin involves replacing the bank 1 exhaust cam phaser, phaser actuator and Oil Control Valve (OCV). Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further…
CHRYSLER
Reported code forms P0300
Engine Ticking Noise This bulletin involves replacing the bank 1 exhaust cam phaser, phaser actuator and Oil Control Valve (OCV). Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further…
CADILLAC, CHEVROLET, GMC
Reported code forms P0300
This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and engine noise with possible of DTC P0300 P0106 P0506, Possible valve spring concern
CADILLAC, CHEVROLET, GMC
Reported code forms P0300
This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and engine noise with possible of DTC P0300 P0106 P0506, Possible valve spring concern
CADILLAC, CHEVROLET, GMC
Reported code forms P0300
This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and engine noise with possible of DTC P0300 P0106 P0506, Possible valve spring concern
AUDI
Reported code forms P030000
This bulletin states to continue diagnosis when there are corrosion marks with DTC P030000.
CADILLAC, CHEVROLET, GMC
Reported code forms P0300
This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and engine noise with possible of DTC P0300 P0106 P0506, Possible valve spring concern
CHEVROLET
Reported code forms P0300
This service bulletin informs the technician that if the vehicle has an engine misfire with DTC P0300 set, and supercharger?s cooling system has been previously repaired, it must be properly evacuated and filled.
BUICK, CADILLAC, CHEVROLET, GMC, HUMMER, ISUZU, OLDSMOBILE, PONTIAC, SAAB, SATURN
Reported code forms P0300
This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D
JEEP
Reported code forms P0300
Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further…