P3498

Cylinder 1 Deactivation/Intake Valve Performance

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–89 (est.)

Symptoms

Unstable engine idling
Reduced engine power
Increased fuel consumption
Check Engine Light Illuminates
Dips during acceleration

Causes

Cylinder deactivation solenoid malfunction
Problems with the intake valve mechanism
Open or short circuit in control circuit
Engine control unit malfunction
Contamination or wear of deactivation system components

How to Fix

Check the condition of the cylinder deactivation solenoid
Inspect the intake valve mechanism for damage
Check the integrity of the wiring harness and connections
Scan the engine control module for additional errors
If necessary, replace faulty components

Related codes

P3497 P3499 P3500