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Home >> Ford >> 2002 >> Crown Victoria Base, 4.6 9 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Engine Controls - System Tests FD Through KA - EEC-V - Gasoline & NGV) >> Test JH: Tachometer Output Failure >> Diagnostic Aids

Diagnostic Aids

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Perform this test when instructed to or if directed by other test procedures. This test is used to diagnose the PCM.