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(7) Verify generator output wire (B+ wire) and generator field connector are firmly connected to gen- (8) Inspect system body grounds for loose or dirty connections. Refer to Group 8, Wiring for ground (9) Verify crankcase ventilation (CCV) operation. Refer to Emission Control System for additional (10) Inspect all fuel line quick-connect fittings for damage or leaks. (11) Verify hose connections to all ports of vacuum fittings on intake manifold, and for emission system (12) Inspect accelerator cable, transmission throt- tle cable (if equipped) and speed control cable connec- (if equipped). Check their connections to throttle body linkage for any binding or restrictions. (13) Verify vacuum booster hose is firmly con- nected to fitting on intake manifold. Also check con- (14) Inspect air cleaner inlet and air cleaner ele- ment for dirt or restrictions. (15) Inspect radiator grille area, radiator fins and air conditioning condenser for restrictions. (16) 4.0L Engine: Verify MAP, Intake Manifold Air Temperature (IAT) sensor, TPS and Idle Air Control (17) 4.7L Engine: Verify Intake Manifold Air Tem- perature (IAT) sensor, TPS and Idle Air Control (IAC) (18) 4.0L Engine: Verify wire harness connector is firmly connected to Engine Coolant Temperature Fig. 9 Crankshaft Position Sensor—4.7L V-8 Engine 1 – CRANKSHAFT POSITION SENSOR Fig. 10 IAT, MAP, IAC, TPS Sensor Locations—4.0L Engine 1 – MOUNTING BOLTS (4) 14 - 44 FUEL SYSTEM WJ DIAGNOSIS AND TESTING (Continued) |