Infiniti I35 (A33). Manual — part 179
SEC031D
8.
Align protrusions of fuel tubes with those of fuel injectors.
Insert fuel injectors straight into fuel tubes.
9.
After properly inserting fuel injectors, check to make sure that
fuel tube protrusions are engaged with those of fuel injectors,
and that flanges of fuel tubes are engaged with clips.
SEC999C
10. Tighten fuel tube assembly mounting nuts in numerical
sequence (indicated in the figure at left) and in two stages.
: Tightening torque N·m (kg-m, ft-lb)
1st stage:
9.3 - 10.8 (1.0 - 1.1, 6.9 - 7.9)
2nd stage:
20.6 - 26.5 (2.1 - 2.7, 16 - 19)
11. Install all parts removed in reverse order of removal.
CAUTION:
After properly connecting fuel tube assembly to injector and
fuel hose, check connection for fuel leakage.
SEF058Y
How to Check Idle Speed and Ignition Timing
NHEC1422
IDLE SPEED
NHEC1422S01
I
Using CONSULT-II
Check idle speed in “DATA MONITOR” mode with CONSULT-II.
GI
MA
EM
LC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
BASIC SERVICE PROCEDURE
Injector (Cont’d)
EC-57
SEC001D
IGNITION TIMING
NHEC1422S02
Any of following two methods may be used.
I
Method A
a)
Attach timing light to loop wire as shown.
b)
Check ignition timing.
SEC002D
I
Method B
a)
Attach timing light to No. 1 ignition coil harness as shown.
SEC004D
b)
Check ignition timing.
Idle Speed/Ignition Timing/Idle Mixture Ratio
Adjustment
NHEC0028
PREPARATION
NHEC0028S01
1) Make sure that the following parts are in good order.
I
Battery
I
Ignition system
I
Engine oil and coolant levels
I
Fuses
I
ECM harness connector
I
Vacuum hoses
I
Air intake system
(Oil filler cap, oil level gauge, etc.)
I
Fuel pressure
I
Engine compression
I
Throttle valve
I
Evaporative emission system
2) On air conditioner equipped models, checks should be carried out while the air conditioner is OFF.
3) On automatic transmission equipped models, when checking idle rpm, ignition timing and mixture ratio,
checks should be carried out while shift lever is in N position.
4) When measuring “CO” percentage, insert probe more than 40 cm (15.7 in) into tail pipe.
5) Turn off headlamps, heater blower, rear defogger.
BASIC SERVICE PROCEDURE
How to Check Idle Speed and Ignition Timing (Cont’d)
EC-58
6) Keep front wheels pointed straight ahead.
7) Make the check after the cooling fan has stopped.
GI
MA
EM
LC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
BASIC SERVICE PROCEDURE
Idle Speed/Ignition Timing/Idle Mixture Ratio Adjustment (Cont’d)
EC-59
Overall Inspection Sequence
NHEC0028S0101
SEC154D
BASIC SERVICE PROCEDURE
Idle Speed/Ignition Timing/Idle Mixture Ratio Adjustment (Cont’d)
EC-60
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