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Q: Check engine light on 2002 Chevrolet Astro

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
This van is not getting enough air in the fuel mix. When the check engine light comes on the fuel efficiency goes in half and it uses a lot of oil. I replaced the air flow device and some cables.. It did n't help. The light comes on after the engine is warm and after I fill up with gas. When the light is on the van will occasionally run rough
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