P0404 kia sportage - MHH AUTO

This code points to either carbon buildup or a bad EGR valve However that doesn't rule out the following: Open or short in the 5 Volt reference circuit

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code p404 If you own a Saturn S-series and keep getting the code P0404 and your check engine light is on, you probably need to perform an EGR cleaning

code p0404 The P0404 code error comes when the EGR doesn't behave as it should Most of the time, it's because the valve doesn't open Besides the valve