6.6 chevy sislverado cod p0404

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Carguy1 · Answer 1 · 2019-01-29T14:51:36+0000

Hi there,

P0404 Indicates an issue with the EGR. Here is a list of possible causes.

P0404 CHEVROLET - Exhaust Gas Recirculation Open Position Performance

Read more: https://www.autocodes.com/p0404_chevrolet.html

P0101 indicates an issue with the Mass air flow sensor. Here is a list of possible causes.

P0101 CHEVROLET - Mass Air Flow Sensor Performance

Read more: https://www.autocodes.com/p0101_chevrolet.html