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Ford EGR/DPFE System--'Metering Orifice'?
Posted to Technical Theory Forum on 8/30/2007 11 Replies

NetTheorists:

1993 Mercury Topaz 2.3L

AllData documentation for the operation of the EGR/DPFE system for this vehicle shows an exhaust metering orifice between the exhaust manifold and the EGR valve. The fitting where the rubber hose for the DPFE sensor is... Login to read more.

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