2004 Chevrolet Silverado 1500 Q&A

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

t with my Actron tool and both times it say my pick is running too lean. What is the cause and fix for this? -
Answer 1
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 -
Answer 2
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. -