P031E

Symptoms

• Misfires
• Reduced engine power
• Increased fuel consumption
• Unstable idle
• Check Engine light comes on

Causes

• Damaged wiring in the ignition control circuit
• Faulty ignition coil
• Problems with the engine control unit (ECU)
• Poor contact in connectors
• Short circuit in the circuit

How to Fix

1. Check the integrity of the wiring in the ignition control circuit
2. Check the condition of the ignition coil
3. Check connectors and contacts for corrosion or damage
4. Check the operation of the engine control unit (ECU)
5. Replace faulty components if necessary

Related codes

Error P031E by Vehicle Brand