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Q:

My car will stall out and quit running. codes po401,p1451,p0171 on computer
on 2002 Ford Expedition

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
this problem happens every few days. It almost seems like the gas going to the engine is running a bit lean. The smell from the exhaust smells weird.
(1) Answer
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Does it smell like rotten eggs.
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