FI SYSTEM AND INTAKE AIR SYSTEM 4-77
THROTTLE VALVE SYNCHRONIZATION
Check and adjust the throttle valve synchronization among four
cylinders.
CALIBRATING EACH GAUGE
• Lift and support the fuel tank. ( 4-51)
• Start up the engine and run it in idling condition for warming
up.
• Stop the warmed-up engine.
• Disconnect the IAT sensor coupler 1 and remove the IAT sen-
sor from the air cleaner box.
• Connect the removed IAT sensor to its coupler and place it on
the frame.
• Remove the IAP sensor mounting screw 2.
• Remove the air cleaner box. ( 4-61 and -62)
• Disconnect the vacuum hose 3 from the No.4 throttle body.
• Connect the proper rubber cap 4 to the nipple on the No.4
throttle body.
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