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6E2–278 6VD1 3.2L ENGINE DRIVEABILITY AND EMISSIONS Poor Fuel Economy 1. OBD system check. TCC Operation, Exhaust Engine Exhaust) Engine Cranks But Will Not Run 1. OBD system check. Fuel System Electrical Excessive Exhaust Emissions or 1. OBD system check. balance test. 6. EVAP emission canister purge valve. 7. Crankcase ventilation system. EGR System Check, Exhaust Dieseling, Run-On 1. OBD system check. — Backfire 1. OBD system check. balance test. 5. EGR operation, EGR system check. Exhaust System Diagnosis, Evaporative Emissions 1. OBD system check. — Heated Oxygen Sensors 1. OBD system check. Exhaust System |