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EGR Valve. Secondary Air Injection Pump Check Valve. Combi Valve. Secondary Air Injection Pump Check Valve. Secondary Air Injection Pump Check Valve
Fits A4, A63.0 LITER. 3.0 LITER, combi. A4; 3.0L; Left. Air Injection System Check Valve - Repair or ReplaceA failed air injection solenoid or secondary air valve will often have no noticeable symptoms beyond a check engine light, but it does cause your 2004 Audi A4 to operate inefficiently and produce higher emissions. Our technicians have access to manufacturer-approved repair processes and Audi genuine parts.
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