P3447

Cylinder 6 Exhaust Valve Control Circuit Low

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–67 (est.)

Symptoms

Check Engine light comes on
Reduced engine power
Increased fuel consumption
Unstable engine idling
Possible misfire in cylinder 6

Causes

VVT solenoid valve malfunction
Open or short circuit in wiring harness
Poor contact in control circuit connectors
Malfunction of the engine control unit (ECU)
Mechanical problems in the timing system

How to Fix

Check the resistance of the solenoid valve
Inspect the wiring harness for damage
Check the contacts in the control circuit connectors
Scan the ECU for additional errors
If necessary, replace the faulty valve or repair the wiring

Related codes

P3446 P3448 P3449