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Chevrolet
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2005
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Aveo Base, 4D Hatchback
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Repair and Diagnosis
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Engine Performance
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Testing & Diagnosis
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Engine Controls - 1.6L (L91) - DTC P0456 To DTC P2196
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Diagnosis
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DTC P1391
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Conditions for Running the DTC
Conditions for Running the DTC
The engine is running.
The vehicle speed is less than 5 km/h (3.1 mph).
OR
The engine is running.
The vehicle speed is between 30-70 km/h (19-43 mph).
DTC P1391 runs continuously once the above conditions are met.