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FUEL
FUEL INJECTION SYSTEM
Vacuum pressure at trolling
speed:
Cylinder
Cylinder
difference
–18 ± 10 mmHg
(–2.45 ±
#1
1.33 kPa,
–0.8 ± 0.4 inHg)
#2
Standard*0
–11 ± 10 mmHg
(–1.53 ±
#3
1.33 kPa,
–0.5 ± 0.4 inHg)
+1.0 ± 10 mmHg
(+0.04 ±
#4
1.33 kPa,
0 ± 0.4 inHg)
Standard*: When setting the specified
engine speed, the value is zero.
NOTE:
Always maintain the specified trolling speed
when making this adjustment.
s. Measure the throttle position sensor out-
put voltage. Adjust the throttle position
sensor position if out of specification.
Throttle position sensor output
voltage:
Pink (P) – Black/orange (B/O)
0.756 ± 0.016 V
3. Remove:
• Throttle bodies
4. Remove:
• Carburetor synchronizer or vacuum
gauge
5. Install:
• Plugs
Plug (vacuum pressure):
10 N • m (1.0 kgf • m, 7.2 ft • lb)
6. Install:
• Air filter case
• Throttle bodies
4-26
E
Example
–230 ± 10 mmHg
(–30.68 ±
1.33 kPa,
–9.1 ± 0.4 inHg)
–212 mmHg
(–28.23 kPa,
–8.3 inHg)
–223 ± 10 mmHg
(–29.76 ±
1.33 kPa,
–8.8 ± 0.4 inHg)
–211 ± 10 mmHg
(–28.19 ±
1.33 kPa,
–8.3 ± 0.4 inHg)
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