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Test Description

WARNING: This page is about a different variant/trim than selected.
NOTE: Test number refers to number on diagnostic chart.
  1. Test checks to see if O2 sensor is registering a rich condition.
Fig 1: Code 45 Schematic (Corvette) Rich Exhaust Indication
G91H07378
Fig 2: Code 45 Diagnostic Flow Chart (Corvette) Rich Exhaust Indication
G91A07351
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