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Q: Check Engine Lite Lite on with this code R1416 on 2001 Chevrolet Silverado 1500

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1416 code Secondary Air Injection System Malfuntion Right Bank.
Found online:

you have a leak in the port side vacuum. try spraying choke cleaner with the straw on the end around the vacuum lines with the engine running, when you hear the engine rpm raise you just found the leak....

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