P0308
Cylinder 8 Misfire Detected
System: Ignition
Severity: medium
What does P0308 mean?
The DTC P0308 (Cylinder 8 Misfire Detected) is a fault code stored by the ECU when it detects a misfire cyl 8 condition in the ignition subsystem. It is commonly seen on European and Asian vehicles using Bosch, Continental, Siemens or Denso ECUs.
Common causes of P0308
- Coil/plug cyl 8
- Injector
- Compression loss
- Wiring fault rear bank
How to fix P0308
Swap diagnosis. On big-block V8s also check spark plug gap for boost setups.
Tuning approach with DaVinci Deluxe · Cloud Edition
For P0308, DaVinci Deluxe · Cloud Edition offers the following ECU map adjustments and software solutions:
- Per-cyl trim
- Per-cyl ignition timing
Need to fix P0308 on your ECU?
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