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EGR Backpressure Transducer: Service and Repair

1. Disconnect vacuum lines from exhaust back-pressure sensor and EGR valve.
2. Remove EGR attaching nuts and the EGR valve and exhaust back-pressure assembly.
3. Clean mating surfaces and intake manifold and back-pressure sensor ports.
4. Reverse procedure to install. Torque attaching nuts to 13 ft. lbs.