What are the symptoms of P0416?

Check Engine Light on, Failure of emissions test, Usually no driving symptoms, Snorting noise from the exhaust system (if exhaust escapes through the open valve)

What causes code P0416?

Broken wiring or disconnected connector to the valve, Faulty switching valve (solenoid), Blown fuse in the valve circuit, Engine Control Module (ECM) issue

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Fault Code P0416

Code meaning, symptoms, possible causes, part number, and estimated cost.

P0416

Secondary Air Injection System Switching Valve 'A' Circuit Open

Severity: Medium

This code indicates an open circuit in the Secondary Air Injection System Switching Valve 'A'. This prevents the valve from opening and air from flowing, thereby impairing the effectiveness of emission reduction.

Part Details

Part Name

Secondary Air Injection Switching/Diverter Valve

Reference P/N (OEM)

N/A

General part number for this fault code — not necessarily for your specific vehicle

Estimated Cost

₪300 - ₪1000

Engine Location

Near Engine/Exhaust System

Symptoms

Check Engine Light on
Failure of emissions test
Usually no driving symptoms
Snorting noise from the exhaust system (if exhaust escapes through the open valve)