P3488

Cylinder 11 Exhaust Valve Control Circuit High

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 11

Causes

Open or short circuit in exhaust valve control circuit
VVT solenoid valve malfunction
Problems with the wiring harness to the valve
Engine control unit malfunction
Mechanical failure of the exhaust valve

How to Fix

Check valve control circuit integrity
Test solenoid valve resistance
Inspect the wiring harness for damage
Check the operation of the engine control unit
If necessary, replace the exhaust valve or its actuator

Related codes

P3487 P3489 P3490