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  1. B5 Garage
    I have a 2000 4motion V6. I have a yellow warning engine light that says "EMISSIONS WORKSHOP". AutoZone gave me the following code P1423 -EGI Functionality Test Failed, and P1411-SAI System Incorrect Downstream Flow Detected . Does anyone know what this means or what exactly it points too? I...
  2. Volkswagen Passat B5 Discussion
    I have a 2000 4motion V6. I have a yellow warning engine light that says "EMISSIONS WORKSHOP". AutoZone gave me the following code P1423 -EGI Functionality Test Failed, and P1411-SAI System Incorrect Downstream Flow Detected . Does anyone know what this means or what exactly it points too? I...
  3. Volkswagen Passat B5 Discussion
    Got my first check engine light at 55K along with the Emissions Workshop message. Autozone gave me the code of P1423 EGI Failed Function Test. Does anyone know what this means?? Yes, the gas cap has been and is tight. Would this have anything to do with the MAF...or maybe a vacuum leak...
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