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Home >> Geo >> 1993 >> Metro Base, 2D Hatchback, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Modules, Relays & Solenoids >> Relays >> EFI Main Relay
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EFI Main Relay

  1. EFI main relay is located in fuse/relay block on left side of engine compartment, near battery. Remove EFI main relay from fuse/relay block.
  2. Using ohmmeter, ensure continuity exists between Black/White and Black wire terminals of EFI main relay. Apply battery voltage to Black/White wire terminal. Ground Black wire terminal. Continuity should exist between White/Red and White/Blue wire terminals of EFI main relay. Replace EFI main relay if continuity is not as specified.
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