P3460

Cylinder 8 Deactivation/Intake Valve Control Circuit High

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$13–56 (est.)

Symptoms

Unstable engine operation
Power reduction
Increased fuel consumption
Check Engine Light Is On
Possible misfire in cylinder 8

Causes

Open or short circuit in control circuit
Malfunction of the cylinder deactivation solenoid valve
Problems with the engine control unit (ECU)
Wiring harness damage
Corroded contacts or poor connection

How to Fix

Check the integrity of wires and contacts in the control circuit
Check the resistance of the solenoid valve
Check the operation of the engine control unit
Replace damaged components
Clear contacts and restore connections

Related codes

P3450 P3455 P3470