P0307
Cylinder 7 Misfire Detected
System: Ignition
Severity: medium
What does P0307 mean?
The DTC P0307 (Cylinder 7 Misfire Detected) is a fault code stored by the ECU when it detects a misfire cyl 7 condition in the ignition subsystem. It is commonly seen on European and Asian vehicles using Bosch, Continental, Siemens or Denso ECUs.
Common causes of P0307
- Coil/plug cyl 7
- Injector
- Low compression
- Rear-bank ignition wiring
How to fix P0307
V8/V10 swap-test. Verify coil pack power supply at rear bank.
Tuning approach with DaVinci Deluxe
For P0307, DaVinci Deluxe offers the following ECU map adjustments and software solutions:
- Per-cyl trim
- Spark adjust
Need to fix P0307 on your ECU?
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