What P0305 means
Diagnostic Trouble Code (DTC) P0305 stands for Cylinder 5 Misfire Detected. This is a generic OBD2 diagnostic trouble code indicating that the engine computer (ECU) has registered an operational anomaly in the powertrain (p) systems.
When this error registers, the ECU records a freeze frame of sensor data and lights up the Check Engine Light on your dashboard to notify the operator of a system fault.
Symptoms of OBD2 Code P0305
When code P0305 is active, your car might exhibit the following common symptoms:
- Rough engine sound
- Loss of torque
- Flashing MIL
Common Causes of Code P0305
Faults that trigger this code typically include:
- Cause 1: Ignition coil or plug failure
- Cause 2: Low compression
- Cause 3: Bank 2 wiring fault
Can you drive with a P0305 code?
No. Safe engine shutdown is recommended.
Expected Repair Cost Band
$60 - $250.
Related Diagnostic Trouble Codes
If you have scanned multiple codes, see these related guides for troubleshooting context:
Frequently Asked Questions
Depends on the engine layout. In many V6 engines, Cylinder 5 is located on Bank 2.