Nissan Leaf 2023 1.7 dCi diesel OBD Codes
On a 2023 Nissan Leaf 1.7 dCi diesel, OBD fault codes often involve airflow control, boost pressure, EGR operation, fuel delivery, glow system behaviour and emissions hardware that is more common on diesel vehicles.
These pages separate petrol, diesel, hybrid and EV-style diagnostic search intent so the content does not look identical across every variant.
P0101
Mass or Volume Air flow Circuit Range / Performance Problem
P0106
Manifold Absolute Pressure / Barometric Pressure Circuit Range / Performance Problem
P0113
Intake Air Temperature Circuit High Input
P0118
Engine Coolant Temperature Circuit High Input
P0128
Coolant Thermostat (Coolant Temp Below Thermostat Regulating Temperature)
P0133
O2 Sensor Circuit Slow Response (Bank 1 Sensor 1)
P0135
O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 1)
P0141
O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)
P0300
Random / Multiple Cylinder Misfire Detected
P0301
Cylinder 1 Misfire Detected
P0302
Cylinder 2 Misfire Detected
P0303
Cylinder 3 Misfire Detected
Common problem themes for this powertrain
- • EGR and intake contamination-related faults
- • boost pressure and airflow control issues
- • diesel fuel delivery and injector balance problems
- • diesel emissions system warnings and sensor faults