P3427

Symptoms

• Check Engine light comes on
• Increased fuel consumption
• Possible misfire in cylinder 4
• Reduced engine power
• Disabling the cylinder deactivation system

Causes

• Malfunction of the cylinder deactivation solenoid valve
• Open or short circuit in control circuit
• Poor contact in control circuit connectors
• Engine control unit malfunction
• Mechanical problems with the timing system

How to Fix

1. Check the condition of the cylinder deactivation solenoid valve
2. Check the integrity of the wiring and connectors in the control circuit
3. Measure resistance and voltage in the control circuit
4. Check the operation of the timing system
5. If necessary, replace faulty components

Related codes

Error P3427 by Vehicle Brand