Econoline E350 1 Ton V8-5.4L CNG VIN M (1999)
4. Install the LH three-way catalytic converter.
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Position the LH three-way catalytic converter.
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Install the LH nuts.
5. Install the LH TWC-to-RH TWC clamp and hanger assembly.
6. Connect the heated oxygen sensor electrical connectors.
7. Lower the vehicle.