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Home › Pontiac › 1983 › Grand Prix Base, 5.0 H › Repair and Diagnosis › Engine Performance › System › Feedback Carburetor Tests W/Codes › Code 42: Bypass Or Est Problem

Code 42: Bypass Or Est Problem

Fig 1: Code 42: Bypass Or EST Problem Flow Chart

G284

Fig 2: Code 42: Bypass Or EST Problem Flow Chart

GB0045632