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    Re: mercedes 190 2.0 1991 Archived Message

    Posted by David Davies on May 20, 2008, 8:04 pm, in reply to "mercedes 190 2.0 1991"

    If the overvoltage protection relay does not function then the starting enrichment provided by the KE fuel system will not happen.Your backfiring in the inlet sounds like a lean condition so I'd replace the OVP relay anyway as it is prone to cracked soldered joints so may be faulty even if the fuse is OK.

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