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Re: OBD-II MONITORS AND I/M FLAGS ??
Posted to Technical Discussion Forum on 12/17/1998 6 Replies

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Are you aware that G.M. purge flow monitors require 2 sucessive fails to set the MIL? Also, some purge flow monitors show intermittant single fails with no problem in the evap system? 96 S 4.3 trucks ... Login to read more.

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