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(8) Verify positive crankcase ventilation (PCV) valve operation. Refer to 25, Emission Control Sys- (9) Inspect fuel tube quick-connect fitting-to-fuel rail connections. (10) Verify hose connections to all ports of vacuum fittings on intake manifold are tight and not leaking. (11) Inspect accelerator cable, transmission throt- tle cable (if equipped) and cruise control cable con- (12) If equipped with vacuum brake booster, verify vacuum booster hose is firmly connected to fitting on (13) Inspect air cleaner inlet and air cleaner ele- ment for dirt or restrictions. (14) Inspect radiator grille area, radiator fins and air conditioning condenser for restrictions. (15) Verify intake manifold air temperature sensor wire connector is firmly connected to harness connec- (16) Verify MAP sensor electrical connector is firmly connected to MAP sensor (Fig. 6). Also verify Fig. 4 PCV Valve Hose Connections—3.9/5.2/5.9L Engines—Typical 1 - PCV VALVE Fig. 5 Intake Manifold Air Temperature Sensor— Typical 1 - INTAKE MANIFOLD AIR TEMPERATURE SENSOR Fig. 6 Sensor and IAC Motor Location—Typical (V-8 Shown) 1 - MAP SENSOR 14 - 28 FUEL INJECTION AN FUEL INJECTION (Continued) |