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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 >> Self-Diagnostic System >> Alternative Fuels Engine Control Module Location

Alternative Fuels Engine Control Module Location

On CNG engines, an Alternative Fuels Engine Control Module (AF ECM) is used. AF ECM is located on radiator core support bracket.