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2012 Chevrolet Impala
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2012 Chevrolet Impala

2012 Chevrolet Impala Secondary Air Injection Check Valves

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GM Original Equipment Series Secondary Air Injection Check Valve - Sold individually
AC Delco®
GM Original Equipment Series Secondary Air Injection Check Valve - Sold individually
Part Number: AC12633749
Guaranteed to Fit
$169.49
Vehicle Fitment
  • 2012 Chevrolet Impala LT 6 Cyl 3.6L
  • 2012 Chevrolet Impala LS 6 Cyl 3.6L
  • 2012 Chevrolet Impala LTZ 6 Cyl 3.6L
Product Details
Location : Driver SideProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Quantity Sold : Sold individuallySeries : GM Original Equipment SeriesWarranty : 24-months or unlimited mile AC Delco limited warrantyProduct Fit : Direct Fit
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Helpful Automotive Resources

P0412 Code: Secondary Air Injection System Switching Valve “A” Circuit
P0412 Code: Secondary Air Injection System Switching Valve “A” CircuitThe SAI system operates during cold engine startup, pumping fresh air into the exhaust and combining it with the post-combustion HC and CO to provide secondary oxidation. This process converts the residual HC and CO to water vapor and CO2. A switching valve is used to allow air to flow
P2443 Code: Secondary Air Injection System Switching Valve Stuck Closed Bank 2
P2443 Code: Secondary Air Injection System Switching Valve Stuck Closed Bank 2Note: The definition of code P2443 might be different depending on the vehicle manufacturer. Consult the appropriate repair manual or repair database for the exact code definition. What are the Common Causes of the P2443 Code? Faulty SAI system control valve Clogged or disconnected vacuum hose Damaged secondary air pump Wiring issues PCM failure or software
P2440 Code: Secondary Air Injection System Switching Valve Stuck Open
P2440 Code: Secondary Air Injection System Switching Valve Stuck OpenThe secondary air-injection system pumps fresh air into the exhaust system to help burn exhaust emissions as the engine warms up. Depending on the vehicle, the system may supply air to the exhaust manifolds, the catalytic converter, or both at different times. The additional air helps reduce harmful exhaust gasses