Jeep Cherokee (XJ): 4.0L engine

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Engine DESCRIPTION The 4.0 Liter (242 CID) six-cylinder engine is an In-line, lightweight, overhead valve engine. This engine is designed for unleaded fuel. The engine cylinder head has dual que ...

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Service procedures
Fuel system pressure release procedure Use following procedure if the fuel injector rail is, or is not equipped with a fuel pressure test port. (1) Remove fuel fill cap. (2) Remove fuel pump relay from Power Distribution Center (PDC). For location of relay, refer to label on underside of ...