One problem related to check engine light on has been reported for the 2021 Chevrolet Silverado 2500. The most recently reported issues are listed below.
My truck will not start randomly. The truck will crank but won't fire. If I wait a while it will eventually start. I took it to the dealer and was told that they could not recreate it. No check engine light on and no error codes noted.
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| Check Engine Light On problems |