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Q:

"check engine soon" guage light turns on on 2000 Cadillac Escalade

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
what does it mean when the "check enginge soon" gauge turns on? I own a 2000 Cadillac Escalade
(1) Answer
It means the engine computer has registered a fault with the emissions system. Here's some more info: http://repairpal.com/check-engine-light