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Home >> Chevrolet >> 2002 >> Chevy Express G2500, Van Cargo Extended, 5.7 R, L31/KL6 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls Self-Diagnostics - 5.7L - Bi-Fuel >> Inspection/Maintenance Procedures >> Inspection/Maintenance System Check >> Monitored Emission Control Systems

Monitored Emission Control Systems

The CNG controller supports HO2S monitoring. The I/M tests that are supported by the gasoline controller are the same as those in a non bi-fuel vehicle.

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