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Chevrolet
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2002
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Chevy Express G2500, Van Cargo Extended, 5.7 R, L31/KL6
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls Self-Diagnostics - 5.7L - Bi-Fuel
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Inspection/Maintenance Procedures
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Inspection/Maintenance Heated Oxygen Sensor/Oxygen Sensor System Set Procedure
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Conditions For Running
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
Conditions For Running
Engine must be operating on CNG.
Engine Coolant Temperature (ECT) is more than 160°F (70°C).
Engine must be running in closed loop fuel control.
Engine must have been running for more than 2 minutes.