P349F
Cylinder 8 Deactivation/Intake Valve Performance
P349F is an OBD-II diagnostic trouble code meaning: Cylinder 8 Deactivation/Intake Valve Performance. Common causes: malfunction of the cylinder deactivation solenoid valve, mechanical damage to the intake valve. Estimated repair cost: $17–89.
Symptoms
- Floating engine speed
- Reduced engine power
- Increased fuel consumption
- Uneven engine operation
- Check Engine Light Illuminates
Causes
- Malfunction of the cylinder deactivation solenoid valve
- Mechanical damage to the intake valve
- Problems with the electrical control circuit
- The deactivation mechanism is dirty or jammed
- Engine control unit software error
How to Fix
- Check the condition of the cylinder deactivation solenoid valve
- Diagnose the valve control mechanism of cylinder 8
- Check electrical harness and connections
- Adapt the valve control system
- If necessary, replace faulty components
Related codes
Error P349F by Vehicle Brand
FAQ
What does the P349F code mean?
P349F is an OBD-II diagnostic trouble code that indicates: Cylinder 8 Deactivation/Intake Valve Performance
What causes a P349F error code?
The most common causes of P349F include: Malfunction of the cylinder deactivation solenoid valve; Mechanical damage to the intake valve; Problems with the electrical control circuit; The deactivation mechanism is dirty or jammed.
How do I fix a P349F diagnostic trouble code?
To fix P349F: Check the condition of the cylinder deactivation solenoid valve. Diagnose the valve control mechanism of cylinder 8. Check electrical harness and connections. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P349F?
Yes, but get it checked soon
How much does it cost to fix P349F?
The estimated repair cost for P349F is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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