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2002 Chevrolet Astro Question: Check engine light

 

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deetee, 4.3L V6, Glen Ridge, NJ, September 23, 2010, 16:38
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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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