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Check engine light code P0446 EVAP

Nobody-117
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Nobody-117 Enthusiast

Nobody-117

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I have a 2015 Silverado with a 5.3L which has about 42k miles on it. Recently I had the brake booster replaced due to oil getting within the booster. I am not sure if the P0446 code was casued by the replacement of the booster. I was recently driving around town after the brake booster was repaced and my truck threw the P0446 check engine light code. I have done some research and some people say to just replace the gas cap and that should fix it where others says they have had to replace the EVAP purge selonoids. I plan on calling the dealership where I had the brake booster replaced at first thing monday morning in order to get their opinion and a preliminary cost on troubleshooting but just trying to get an understanding before I call. I don't really want the wool to be pulled over my eyes.

 

Any help is appreciated.

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