Econoline E250 3/4 Ton V8-4.6L SOHC VIN W (2000)
Heated Oxygen Sensor: Application and ID
Exhaust System - 4.2L And 4.6L Engine, (4.2L Shown, 4.6L Similar)
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The 4.2L engine heated oxygen sensors are mounted in the exhaust manifolds.
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The 4.6L engine heated oxygen sensors are mounted in the three-way catalytic converter.