D21 Hardbody 4WD V6-2960cc 3.0L SOHC MFI (VG30E) (1991)
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Throttle Position Switch: Testing and Inspection
Throttle Valve Switch Test
1.
Disconnect the throttle valve switch connector.
2.
Using an ohm meter, check for continuity between terminals a and B when the throttle is closed.
Replace throttle sensor/idle switch if it fails the above test.