MANIFOLD VACUUM CHECK


1.Before inspection, set the vehicle to the pre-inspection condition.

2.Turn the ignition switch to the "LOCK" (OFF) position and then connect the M.U.T.-III to the diagnosis connector.

3.Attach a three-way joint to the vacuum hose between the fuel pressure regulator and the inlet manifold, and connect a vacuum gauge.
4.Start the engine and check that idle speed is within the standard valve.
Standard value: 700 ± 100 r/min
5.Check the inlet manifold vacuum.
Limit: Minimum 60 kPa
6.Turn off the ignition switch.
7.Remove the vacuum gauge and the three-way joint, and then connect the vacuum hose.
8.Remove the engine tachometer or the M.U.T.-III.