2001 INFINITI QX4 fuel pressure

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Page 2012 of 2395

INFINITI QX4 2001  Factory Service Manual 5. Turn ignition switch ªOFFº.
SMA861C
6. Loosen fuel hose clamps.
7. Replace fuel filter.
IBe careful not to spill fuel over engine compartment. Place
a shop towel to absorb fuel.
IUse a high-press

Page 2015 of 2395

INFINITI QX4 2001  Factory Service Manual : 20 - 29 N´m (2.0 - 3.0 kg-m, 14 - 22 ft-lb)
Use standard type spark plug for normal condition.
The hot type spark plug is suitable when fouling may occur with the
standard type spark plug such as:

Page 2166 of 2395

INFINITI QX4 2001  Factory Service Manual DIAGNOSTIC PROCEDURE 1NBSC0019S03Check ªBº Terminal CircuitNBSC0019S0301
1 CHECK POWER SUPPLY FOR STARTER MOTOR ªBº TERMINAL
1. Remove the fuel pump fuse.
2. Crank or start the engine (where possi

Page 2168 of 2395

INFINITI QX4 2001  Factory Service Manual DIAGNOSTIC PROCEDURE 2=NBSC0019S04Check ªSº Terminal CircuitNBSC0019S0401
1 CHECK POWER SUPPLY FOR STARTER MOTOR ªSº TERMINAL
1. Remove the fuel pump fuse.
2. Crank or start the engine (where poss
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