LI07.70-P-080607

Complaint Check engine light activated. Fault codes related to misfire on multiple cylinders stored. Possible fault codes listed below: P030004 - Combustion misfiring has been detected. There is an internal fault. P030100 - Combustion misfiring of cylinder 1 has been detected P030200 - Combustion misfiring of cylinder 2 has been detected P030300 - Combustion misfiring of cylinder 3 has been detected P030400 - Combustion misfiring of cylinder 4 has been detected P030500 - Combustion misfiring of cylinder 5 has been detected P030600 - Combustion misfiring of cylinder 6 has been detected P031600 - Combustion misfires were detected at engine start. Cause Under analysis Remedy Note: If the vehicle has a single cylinder misfiring or a constant misfire, diagnose the cause of this separately. This LI document is not relevant in this scenario. Collect details from the vehicle owner:
• What did the driver experience/feel when the CEL activated?
• What is the driving scenario when the symptom occurs? (i.e. time of day, vehicle speed, electric driving/ICE driving, etc.)
• How often has this symptom been experienced?
• How often is the vehicle recharged and driven in electric mode?
• When was the last time the fuel tank was refueled, brand, quality of fuel? Save document from the vehicle:
• Initial quick test with freeze frame data
• Control unit log from Engine control unit N3/10
• Control unit log from Powertrain control unit N127
• HV system control unit log Additional steps: 1. Perform test drive and attempt to reproduce symptom as described by owner 2. Capture a fuel sample and check for abnormal condition or ethanol content 3. Create a TIPS case with the powertrain team and include all above information/documents and any additional observations.