P0476

Exhaust Pressure Control Valve A Range/Performance

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Reduced engine power
Increased fuel consumption
Unstable engine idling
Check engine light comes on

Causes

Pressure control valve stuck
Open or short circuit in control circuit
Wiring harness damage
ECU malfunction
Mechanical valve wear

How to Fix

Check the condition of the pressure control valve
Check the integrity of the wiring harness and connectors
Check the resistance and operation of the valve solenoid
Clean or replace valve if necessary
Reset the error and check the system operation

Related codes

P0475 P0477 P0401 P0402