Gm Global Technolgoy Operations, Inc.

Walter Jenkins

Stephen Joe Myers

John A Horton

Dana Michael Serrels

Brian M Bibb

An apparatus for sensing exhaust gas comprising: first and second tubular passages; a solid plug through which the first and second tubular passages pass and to which the tubular passages are sealingly engaged; a sampling chamber mounted to and in flow contact with the first and second tubular passages, wherein the first tubular passage provides gas flow into the sampling chamber and the second tubular passage takes gas flow out of the sampling chamber; and a flow passage having a tubular wall with an opening therein to which the solid plug is sealingly engaged, wherein the first and second tubular passages extend from inside the flow passage, through the plug, to the sampling chamber mounted outside of the flow passage.

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Linden, MI, United States of America

Walter Jenkins