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Twice this week my check engine light has come on so both times I ran a code tes on 2004 Chevrolet Silverado 1500

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
t with my Actron tool and both times it say my pick is running too lean. What is the cause and fix for this?
(2) Answers
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poss vac leak or mass airflow sensor. ck for vac leaks and clean mass air flow with proper cleaner. this would be a good start
You should have 45 psi on the fuel rail. If it is low, it will run lean. It could be a clogged filter or a worn pump.
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