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Home › Chevrolet › 1992 › Caprice Classic › Repair and Diagnosis › Engine Performance › System › Engine Controls - Tests W/Codes - 4.3L TBI › Pcm/BCM Code Charts › Code 42, Est Circuit Open Or Grounded › Test Number 1)

Test Number 1)

This test confirms Code 42 and determines if fault is a hard failure or intermittent condition.

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