2001 INFINITI QX4 Factory Service Manual

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Page 569 of 2395

INFINITI QX4 2001 Factory Service Manual Vacuum Cut Valve and Vacuum Cut Valve Bypass ValveNBEC0019S04Refer to EC-591. Evaporative Emission (EVAP) Canister Purge Volume Control Solenoid Valve NBEC0019S05Refer to EC-367. Fuel Tank Temperature

Page 570 of 2395

INFINITI QX4 2001 Factory Service Manual SEF462UA SEF598U Without CONSULT-IINBEC0019S08021) Attach the EVAP service port adapter securely to the EVAP service port. 2) Also attach the pressure pump with pressure gauge to the EVAP service port

Page 571 of 2395

INFINITI QX4 2001 Factory Service Manual EVAPORATIVE EMISSION LINE DRAWINGNBEC0020 SEF932Y ENGINE AND EMISSION BASIC CONTROL SYSTEM DESCRIPTION Evaporative Emission System (Contd) EC-36

Page 572 of 2395

INFINITI QX4 2001 Factory Service Manual SEF870T GI MA EM LC FE AT TF PD AX SU BR ST RS BT HA SC EL IDX ENGINE AND EMISSION BASIC CONTROL SYSTEM DESCRIPTION Evaporative Emission System (Contd) EC-37

Page 573 of 2395

INFINITI QX4 2001 Factory Service Manual SEF372Q SEF559A Positive Crankcase Ventilation DESCRIPTIONNBEC0021This system returns blow-by gas to the intake manifold. The positive crankcase ventilation (PCV) valve is provided to con- duct crankc

Page 574 of 2395

INFINITI QX4 2001 Factory Service Manual SEF941Y SEF214Y Fuel Pressure ReleaseNBEC0023Before disconnecting fuel line, release fuel pressure from fuel line to eliminate danger. WITH CONSULT-IINBEC0023S011. Turn ignition switch ªONº. 2. Perf

Page 575 of 2395

INFINITI QX4 2001 Factory Service Manual SEF328Z 3. Install pressure gauge to the fuel pressure check adapter as shown in the figure. 4. Start engine and check for fuel leakage. 5. Read the indication of fuel pressure gauge. At idling: With

Page 576 of 2395

INFINITI QX4 2001 Factory Service Manual SEF937Y SEF703X Injector REMOVAL AND INSTALLATIONNBEC00261. Release fuel pressure to zero. 2. Remove intake manifold collector. Refer to EM-20, ªTIMING CHAINº. 3. Remove fuel tube assemblies in nume
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