P3440

Cylinder 5 Exhaust Valve Control Circuit High

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$28–89 (est.)

Symptoms

Check Engine light comes on
Reduced engine power
Increased fuel consumption
Unstable engine idling
The engine goes into emergency mode

Causes

VVT solenoid valve malfunction
Open or short circuit in wiring harness
Poor contact in connectors
Engine control unit (ECU) malfunction
Mechanical problems with the VVT system

How to Fix

Check the condition of the VVT solenoid valve
Check the integrity of the wiring harness and connectors
Measure resistance and voltage in the circuit
If necessary, replace the solenoid valve
Check the operation of the VVT system after repair

Related codes

P3435 P3445 P3450