Service manual

FUEL
Fuel system
4-19
69J1D11
19. Measure the vacuum of cylinders #1, #3,
and #5. Repeat step 12 if out of specifi-
cation.
20. Measure the vacuum of cylinders #2, #4,
and #6. Repeat step 12 if out of specifi-
cation.
21. Check the average vacuum difference
between the port and starboard banks.
Adjust the port throttle stop screw
8
if
out of specification.
22. Measure the throttle position sensor out-
put voltage when the engine speed is at
idle. Adjust the throttle position sensor
position if out of specification.
23. Install the port link rod
2
and starboard
link rod
3
.
24. Tighten the bank synchronizing screw
1
.
NOTE:
Tighten the screw without tilting the plate.
Vacuum difference between
cylinders:
20 mmHg (27 mbar, 0.79 inHg)
Average vacuum difference between
port and starboard banks:
40 mmHg (53 mbar, 1.57 inHg)
Throttle position sensor output
voltage:
Pink (P) – Black (B)
700
±
5 mV at idle speed
(700 r/min)
T
R
.
.
Link rod nut:
4 N·m (0.4 kgf·m, 2.9 ft·lb)
T
R
.
.
Bank synchronizing screw:
4 N·m (0.4 kgf·m, 2.9 ft·lb)