P3426
Cylinder 4 Deactivation/Intake Valve Control Circuit Performance
P3426 is an OBD-II diagnostic trouble code meaning: Cylinder 4 Deactivation/Intake Valve Control Circuit Performance. Common causes: malfunction of the cylinder deactivation solenoid valve, open or short circuit in control circuit. Estimated repair cost: $17–89.
Symptoms
- Reduced engine power
- Increased fuel consumption
- Uneven engine operation
- Check Engine Light Is On
- Vibrations at idle
Causes
- Malfunction of the cylinder deactivation solenoid valve
- Open or short circuit in control circuit
- Problems with the engine control unit (ECU)
- Mechanical damage to the intake valve
- Poor contact in control circuit connectors
How to Fix
- Check the condition of the cylinder deactivation solenoid valve
- Check the integrity of the control circuit and connectors
- Scan the engine control unit for errors
- Check the mechanical condition of the intake valve of cylinder 4
- If necessary, replace faulty components
Related codes
Error P3426 by Vehicle Brand
FAQ
What does the P3426 code mean?
P3426 is an OBD-II diagnostic trouble code that indicates: Cylinder 4 Deactivation/Intake Valve Control Circuit Performance
What causes a P3426 error code?
The most common causes of P3426 include: Malfunction of the cylinder deactivation solenoid valve; Open or short circuit in control circuit; Problems with the engine control unit (ECU); Mechanical damage to the intake valve.
How do I fix a P3426 diagnostic trouble code?
To fix P3426: Check the condition of the cylinder deactivation solenoid valve. Check the integrity of the control circuit and connectors. Scan the engine control unit for errors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P3426?
Limited driving only, diagnose soon
How much does it cost to fix P3426?
The estimated repair cost for P3426 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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