P0305
Cylinder 5 Misfire Detected
Generic code
Ignition System
High severity
Hard repair
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What P0305 means
- The fault code P0305 indicates that there is a misfire in the engine cylinder 5 which can cause poor engine performance or damage to the catalytic converter.
Possible symptoms
- Illuminated check engine light
- Rough idle or stalling
- Decreased fuel efficiency
- Engine vibration or shaking
- Loss of power or acceleration during driving
- Engine emits a rough or unusual sound.
Possible causes
- Faulty spark plug in cylinder 5
- Defective ignition coil in cylinder 5
- Clogged or dirty fuel injector in cylinder 5
- Low compression in cylinder 5
- Vacuum leak in intake manifold near cylinder 5
Related parts
- Crankshaft Position Sensor: The crankshaft position sensor monitors the position of the crankshaft to regulate fuel injection. Problems lead to engine misfire and engine stalling
Possible solutions
- Replace spark plug in cylinder 5
- Replace ignition coil in cylinder 5
- Clean or replace fuel injector in cylinder 5
- Repair or replace damaged engine components causing low compression in cylinder 5
- Repair or replace vacuum leak in intake manifold near cylinder 5
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P0305 on OBD DashX
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