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2002 3.5L engine into 1998 Trooper

238 Views 1 Reply 2 Participants Last post by  Buster28
Will the 3.5L engine from a 2002 Trooper work in 1998 Trooper? I see the crank sensor is in a different location and there is no knock sensor. What other issues might be encountered?
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To use a 2002 3.5L in a 1998 you need to swap the intake manifold and throttle body, the ignition coils and boots, the head covers, the coolant manifold and the engine wiring harness. You also need to add a Knock Sensor and Camshaft Position Sensor. The engine blocks are identical so there is no difference in the location of the Crankshaft Position Sensor.
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