BMW DTC P1349 – Misfire Cylinder 4 with Fuel Cut-Off
DTC P1349 meaning on BMW
DTC P1349 on a BMW indicates a misfire in cylinder 4 with fuel cut-off. This means that the Engine Control Module (ECM) has detected a misfire in the fourth cylinder of the engine, resulting in the fuel supply to that cylinder being cut off to prevent damage to the catalytic converter.
BMW DTC P1349 symptoms
Symptoms of DTC P1349 on a BMW may include rough idling, loss of power, engine hesitation, and in some cases, the Check Engine Light may illuminate on the dashboard.
BMW DTC P1349 causes
The common causes of DTC P1349 on a BMW include faulty ignition coils, spark plugs, fuel injectors, vacuum leaks, or issues with the engine’s compression.
BMW DTC P1349 seriousness
Ignoring DTC P1349 on a BMW can lead to further engine damage, reduced fuel efficiency, and potential catalytic converter issues. It is important to address this issue promptly to prevent more severe problems.
How to diagnose DTC P1349 on BMW
To diagnose DTC P1349 on a BMW, a mechanic would typically perform a thorough inspection of the ignition system, fuel injectors, and engine compression. They may also use a diagnostic scanner to retrieve specific error codes and data related to the misfire in cylinder 4.
How to fix DTC P1349 on BMW
Fixing DTC P1349 on a BMW involves addressing the root cause of the misfire. This may include replacing faulty ignition coils, spark plugs, fuel injectors, or repairing any vacuum leaks. Ensuring proper engine compression is also crucial in resolving this issue.
How to erase DTC P1349 on BMW
Once the underlying issue causing DTC P1349 on a BMW has been fixed, the error code can be erased using a diagnostic scanner. By clearing the code, the Check Engine Light should turn off, indicating that the problem has been resolved.
Recommended tools & DTC Scanners for BMW
Best Diagnostic App for modern BMWs: BimmerLink
Recommended Bluetooth adapter for Bimmerlink: OBDLink CX
Cable adapter for Bimmerlink: Enet Cable USB Type C
For older BMWs we recommend: Autel AutoLink AL319 (2024 version)
Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter
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