P0404 Chevrolet -

Question

I also have a p0101 code with this one
What do I need to do?

Answer 1

Hi there

The P0101 code is for a problem with the mass air flow sensor. In most cases the sensor itself is the problem and it should be replaced. Sometimes you can try cleaning the sensor and clearing the code to see if it helps.

P0404 is an EGR code. This is a little bit more complicated and can have several causes. Here is a list of some possible causes

P0404 CHEVROLET - Exhaust Gas Recirculation Open Position Performance

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