2016 GL 450 Check Engine light - no code - gas cap?
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2016 GL 450 Check Engine light - no code - gas cap?
Hello. I have 16 GL450 and check engine light has been on twice. Once checked at dealership they told me there was no code and gas cap was loose. 2nd time at indy shop, they told me the same thing but I checked the gas cap couple days prior and it was on tight. Has this happened to anyone?
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