I got code P0172, where do I start to look on my 2008 Chevrolet Uplander V6?

Question

I got code P0172, where do I start to look if I had a tune-up and fuel pump replace 2008 Chevrolet Uplander V6?

Answer 1

P0172 Fuel trim system rich

The air filter , check the airfilter that the first area to check, ensure it is not clogged , if you just did the fuel pump have that check low fuel pressure will certainly result in running rich condition.The fuel pressure should be with the key on engine off 50-60 psi.

Answer 2

P0172 CHEVROLET Code - Fuel Trim System Rich Bank 1

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