Land Rover DTC P0305 – Misfire Cylinder 5
DTC P0305 meaning on Land Rover
DTC P0305 on a Land Rover indicates a misfire in cylinder 5. The Powertrain Control Module (PCM) has detected that the engine cylinder 5 is not firing properly.
Land Rover DTC P0305 symptoms
- Check Engine Light illuminated
- Engine may run rough or idle poorly
- Loss of power or acceleration
- Increased fuel consumption
Land Rover DTC P0305 causes
- Ignition system issues such as faulty spark plug, ignition coil, or spark plug wire
- Fuel system problems like clogged fuel injector or low fuel pressure
- Compression issues in cylinder 5 due to low compression or mechanical problems
- Vacuum leaks affecting cylinder 5
Land Rover DTC P0305 seriousness
The seriousness of DTC P0305 on a Land Rover should not be ignored as it can lead to further engine damage if left unresolved. Continued driving with a misfire can cause damage to the catalytic converter and other engine components.
How to diagnose DTC P0305 on Land Rover
- Check the spark plug in cylinder 5 for fouling or damage
- Inspect the ignition coil for proper operation
- Test the fuel injector in cylinder 5 for proper function
- Perform a compression test on cylinder 5 to check for internal engine issues
- Check for vacuum leaks that may be affecting cylinder 5
How to fix DTC P0305 on Land Rover
- Replace the spark plug in cylinder 5 if fouled or damaged
- Replace the ignition coil if faulty
- Clean or replace the fuel injector in cylinder 5 if clogged
- Address any compression issues in cylinder 5 through repairs or rebuild
- Fix any vacuum leaks affecting cylinder 5
How to erase DTC P0305 on Land Rover
To erase DTC P0305 on a Land Rover, you can use an OBD-II scanner to clear the code after the underlying issue has been fixed. Once the repair has been completed, the scanner can be used to reset the Check Engine Light and clear the diagnostic trouble code.
Recommended tools for Land Rover diagnostics
Explore our expert picks: The Best OBD2 Scanners for 2025
Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter
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