code P0171 hell!!
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Joined: Dec 2019
Posts: 3
From: California
code P0171 hell!!
So I have a engine code P0171 lean bank 1 on my 2006. I changed the air filter, MAF and oxygen sensor the last 2 weeks. Code came back on today and now which this has never happened before, it hesitates when I first step on the gas. would that being caused my fuel pump or injectors? 02 sensor or a vacuum leak any advice? How do I check for a Vac leak without owning a smoke machine AND without taking it to a mechanic ? Please and thank you 🙏🏻
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