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my check engine light comes on and off. on 2007 Chevrolet Trailblazer

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
check engine light comes on and off it has been doing it for about 1 year. My gas hand is broken could that be part of the problem
(1) Answer
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Hi Yes if you gas gauge doesn't work properly it will turn the SES on and sometimes they go on and off depending. M