Periodic Maintenance Procedures
•
Install the air cleaner housing (see Air Cleaner Housing
Installation in the Fuel System (DFI) chapter). Connect the
•
following parts temporarily.
Fuel Pump Lead Connector [A] Extension
Tube [B]
Special Tool - Extension Tube: 57001-1578
•
Start the engine and warm it up thoroughly. [A].
•
Check the idle speed, using a highly accurate tachometer
Idle Speed
Standard: 1 100 ±50 r/min (rpm)
If the idle speed is out of the specified range, adjust it with the adjusting screw
(see Idle Speed Adjustment).
○
Do not measure the idle speed by the tachometer of the meter unit.
•
While idling the engine, inspect the throttle body vacuum, using the vacuum
gauge [B].
Throttle Body Vacuum
Standard: 40.7 ±1.3 kPa (305 ±10 mmHg) at idle speed
NOTE
PERIODIC MAINTENANCE 2-19