P0404Volkswagen

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Carguy1 · Answer 1 · 2018-05-22T18:21:12+0000

Hi there,

The code P0404 points towards an issue with the EGR system. Here is some info regarding this code.

P0404 VOLKSWAGEN - Exhaust Gas Recirculation Control Circuit Range/Performance

Read more: https://www.autocodes.com/p0404_volkswagen.html

The code P0101 points towards an issue with the MAF sensor. Here is some info regarding this code.

P0101 VOLKSWAGEN - Mass or Volume Air Flow Circuit Range/Performance Problem

Read more: https://www.autocodes.com/p0101_volkswagen.html