P3439

Cylinder 5 Exhaust Valve Control Circuit Low

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–89 (est.)

Symptoms

Check Engine light comes on
Reduced engine power
Increased fuel consumption
Unstable engine idling
Possible misfire in cylinder 5

Causes

Open or short circuit in control circuit
VVT solenoid valve malfunction
Wiring Harness Problems
Engine control unit malfunction
Mechanical problems with the timing system

How to Fix

Check the integrity of the control circuit
Check the resistance of the solenoid valve
Inspect the wiring harness for damage
Check the operation of the timing system
If necessary, replace faulty components

Related codes

P3437 P3438 P3440