P0498

EVAP System Vent Valve Control Circuit Low

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine light comes on
Increased fuel consumption
Unstable engine idling

Causes

Faulty EVAP vent valve
Open or short circuit in wiring harness
Problems with power or circuit ground
ECU malfunction

How to Fix

Check the integrity of the wiring harness
Check EVAP valve resistance
Check power and ground circuit
Replace faulty EVAP valve if necessary

Related codes

P0440 P0441 P0442