P1349 MINI Code - Misfire Cylinder 4 With Fuel Cut-Off
Quick Answer
As part of the CARB/OBD regulations, the Engine Control Module (ECM) must determine if a misfire is occurring and also identify the specific cylinder(s) and the severity of the misfire event and whether it is emissions relevant or catalyst damaging. Common causes include Faulty Spark Plug, Faulty Ignition Coil, Intake vacuum leak. 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 MINI indicates Misfire Cylinder 4 With Fuel Cut-Off.
- Common causes
- Common causes include Faulty Spark Plug, Faulty Ignition Coil, Intake vacuum leak.
- 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.
Code P1349 MINI Description
The misfire/engine roughness calculation is derived from the differences in the period duration (T) of individual increment gear segments. Each segment period consists of an angular range of 120° crank angle that starts 78° before Top Dead Center (TDC).
If the expected period duration is greater than the permissible value a misfire fault for the particular cylinder is stored in the fault memory of the ECM. Depending on the level of misfire rate measured the control unit will illuminate the "Service Engine Soon" light, may cutoff fuel to the particular cylinder and may switch lambda operation to open-loop. All misfire faults are weighted to determine if the misfire is emissions relevant or catalyst damaging.
What are the Possible Causes of the DTC P1349 MINI?
- Faulty Spark Plug
- Faulty Ignition Coil
- Intake vacuum leak
- Faulty Camshaft Position Sensor
- Ignition Coil harness is open or shorted
- Ignition Coil circuit poor electrical connection
How to Fix the DTC P1349 MINI?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1349 MINI code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P1349 MINI Code
What does the OBDII code P1349 mean on a MINI?
P1349 on a MINI indicates a misfire in cylinder 4 with fuel cut-off, meaning the engine control unit has detected an issue with combustion in that cylinder and shut off fuel to prevent damage.
What are the common symptoms of the P1349 code?
Symptoms may include rough idling, loss of power, poor fuel economy, engine hesitation, and the check engine light being illuminated.
What causes the P1349 code on a MINI?
Common causes include a faulty ignition coil, worn spark plug, fuel injector issues, a vacuum leak, or low cylinder compression.
Can a dirty or clogged fuel injector cause the P1349 code?
Yes, a clogged or malfunctioning fuel injector can prevent proper fuel delivery, leading to a misfire in cylinder 4.
How do I diagnose the P1349 code?
Diagnosis typically involves scanning for additional codes, inspecting the spark plug and ignition coil for cylinder 4, performing a compression test, and checking the fuel injector and intake system for issues.
Can I drive my MINI with the P1349 code?
Driving with P1349 is not recommended, as continued misfiring and fuel cut-off can lead to engine damage and reduced performance.
How can I fix the P1349 code on my MINI?
Repairs may include replacing the ignition coil or spark plug for cylinder 4, cleaning or replacing the fuel injector, fixing a vacuum leak, or addressing low compression if present.
What tools are required to fix a P1349 code?
Tools may include an OBDII scanner, spark plug socket, multimeter, fuel injector cleaning kit, and compression tester, depending on the specific issue.
How much does it cost to repair the P1349 code?
Repair costs vary, ranging from $100 for a spark plug replacement to $300-$500 for an ignition coil or fuel injector, and more for extensive engine repairs.
Can a vacuum leak trigger the P1349 code?
Yes, a vacuum leak can disrupt the air-fuel mixture, leading to improper combustion and a misfire in cylinder 4.
Discuss the causes and fixes for P1349 MINI OBDII Code
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