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Wiring diagrams Section: Testing & Diagnostics

Engine Controls - 3.5L - Introduction (1 of 2)

Engine Controls - 3.9L - Introduction (1 of 2)

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P0125 (2) Chevrolet Uplander I

Testing & Diagnostics

The control module detects that the actual amount of accumulated airflow is more than the predicted amount of accumulated air flow before the ECT reaches 15°C (59°F).