P0172 Chev VENTURE 2001

Question

I HAVE A 2001 CHEV VENTURE I CHANGE THE EGR VALVE AND THE 01 AND 02 SENSER NOW IT KEEP SAYINS 02 AND 01 PENDIND , IT ALMOSE 3 WEEK I GHANGE IT AND NOW I AM GETTING A P0 172 CODE AND DTC O2 AND DTC OE CODE WHAT CIN I DO TO FIXED IT PLEASE HELP

Answer 1

Hi there,

This code indicates the fuel mix is too rich. Here is some info for you.

P0172 CHEVROLET - Fuel Trim System Rich Bank 1

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