F 150 Heritage 4WD Pickup V8-5.4L SOHC VIN Z Bi-fuel (2004)
4. Install the three-way catalytic converter to exhaust manifold nuts.
Romeo engine (4.6L)
5. install the exhaust manifold-to-EGR valve tube.
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Position the EGR valve tube and hand tighten the fittings.
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Tighten the upper fitting.
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Tighten the lower fitting.
6. Connect the differential pressure feedback EGR sensor hoses to the EGR valve tube.
