Hi, my CEL came on couple days ago and i had my car scanned. The following 3 codes came up. 16795- Secondary air injection system: incorrect flow
17511- Oxygen (Lambda) sensor heating; B1 S1: performance too low
17887- Brake boost vacuum system: mechanical failure
my boost gauge is reading 10/15lbs. My question is are the following codes caused by boost leak? If so whats the easiest way of detecting the leak.
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