P1349 BMW Code - Misfire Cylinder 4 With Fuel Cut-Off
Quick Answer
When a BMW vehicle shows the diagnostic code P1349, it indicates a misfire in cylinder 4 with fuel cut-off. Common causes include Faulty spark plug in cylinder 4, Malfunctioning ignition coil, Vacuum leak in the intake system. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1349 BMW indicates Misfire Cylinder 4 With Fuel Cut-Off.
- Common causes
- Common causes include Faulty spark plug in cylinder 4, Malfunctioning ignition coil, Vacuum leak in the intake system.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code P1349 BMW Description
When a BMW vehicle shows the diagnostic code P1349, it indicates a misfire in cylinder 4 with fuel cut-off. This means that the engine is experiencing a misfire specifically in the fourth cylinder, causing a disruption in the combustion process. The fuel cut-off is a safety measure implemented by the engine control unit (ECU) to prevent damage to the engine due to misfiring. A misfire in the cylinder can lead to a lack of power, rough idling, decreased fuel efficiency, and increased emissions.
Common Causes of P1349 BMW
- Faulty spark plug in cylinder 4
- Malfunctioning ignition coil
- Vacuum leak in the intake system
- Clogged fuel injector in cylinder 4
- Low compression in cylinder 4
Symptoms of P1349 BMW
- Engine misfiring or running rough
- Loss of power or acceleration
- Rough idling or vibrations
- Decreased fuel efficiency
- Illuminated check engine light
How to Fix P1349 BMW
- Replace the spark plug in cylinder 4
- Test and replace the ignition coil if necessary
- Inspect and repair any vacuum leaks in the intake system
- Clean or replace the fuel injector in cylinder 4
- Perform a compression test and address any issues with low compression in cylinder 4
Cost to Fix P1349 BMW
The cost of repairing a misfire in cylinder 4 with fuel cut-off on a BMW can vary depending on the specific cause of the issue and the labor rates at the auto repair shop. On average, the cost of parts such as spark plugs, ignition coils, and fuel injectors can range from $100 to $500. Additionally, labor costs can range from $200 to $500, depending on the complexity of the repair and the shop's hourly rates. Overall, the total repair cost for addressing this diagnostic code typically falls between $300 and $1000. It's important to note that these estimates are general guidelines, and actual costs may vary based on the vehicle's make and model, the extent of the damage, and the shop's pricing.
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