P3499

Cylinder 2 Deactivation/Intake Valve Performance

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$22–89 (est.)

Symptoms

Engine vibration
Increased fuel consumption
Reduced engine power
Check Engine Light Is On
Unstable operation at idle

Causes

Deactivation solenoid valve malfunction
Intake valve mechanical problem
Problems with hydraulic compensators
Engine control unit malfunction
Open or short circuit in control circuit

How to Fix

Check the condition of the deactivation solenoid valves
Diagnose the mechanics of intake valves
Check hydraulic compensators
Scan the control unit for errors
Check the integrity of wiring and contacts

Related codes

P3497 P3498 P3500