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Home >> Chevrolet >> 1992 >> Caprice Classic LTZ >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 4.3L TBI >> Pcm/BCM Code Charts >> Code 43, ESC Error, W/O ESC Module >> Test Number 3)
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Test Number 3)

This test determines if knock sensor is faulty or if ESC portion of MEM-CAL is faulty.