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Re: When did GM begin supporting the misfire DTC group
Posted to Technical Discussion Forum on 12/26/2023 26 Replies

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That was not my meaning I find that many GM vehicles newer than 2004 will show misfire as "supported" And older than that show "NOT" supported in on-board I/M

I also find 2005 and newer, also show ... Login to read more.

26 Replies Received (View Replies)