P3446
Cylinder 6 Exhaust Valve Control Circuit Performance
P3446 is an OBD-II diagnostic trouble code meaning: Cylinder 6 Exhaust Valve Control Circuit Performance. Common causes: vvt solenoid valve malfunction, open or short circuit in wiring harness. Estimated repair cost: $28–89.
Symptoms
- Unstable engine idling
- Reduced engine power
- Increased fuel consumption
- Check Engine Light Illuminates
- Possible misfire in cylinder 6
Causes
- VVT solenoid valve malfunction
- Open or short circuit in wiring harness
- Poor contact in connectors
- Mechanical problems with the timing system
- Engine control unit malfunction
How to Fix
- Check the condition of the VVT solenoid valve
- Inspect the wiring harness and connectors for damage.
- Check resistance and power supply in control circuit
- If necessary, replace the solenoid valve or repair the wiring
- Check the mechanical components of the timing system
Related codes
Error P3446 by Vehicle Brand
FAQ
What does the P3446 code mean?
P3446 is an OBD-II diagnostic trouble code that indicates: Cylinder 6 Exhaust Valve Control Circuit Performance
What causes a P3446 error code?
The most common causes of P3446 include: VVT solenoid valve malfunction; Open or short circuit in wiring harness; Poor contact in connectors; Mechanical problems with the timing system.
How do I fix a P3446 diagnostic trouble code?
To fix P3446: Check the condition of the VVT solenoid valve. Inspect the wiring harness and connectors for damage.. Check resistance and power supply in control circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P3446?
Limited driving only, diagnose soon
How much does it cost to fix P3446?
The estimated repair cost for P3446 is $28–89. Actual cost depends on your vehicle, location, and labor rates.
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