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Home >> Isuzu >> 1991 >> Impulse XS, 2D Hatchback, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing - EFI >> Ignition Checks >> High Energy Ignition (HEI) (Non-Turbo) >> Ignition Coil

Ignition Coil

Ensure ignition is off. Remove ignition coil connectors. Connect ohmmeter as shown in TEST 1, TEST 2 and TEST 3. See Figure . Replace coil if faulty.