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Home >> Saturn >> 1996 >> SL L4-1.9L SOHC VIN 8 >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Component Tests and General Diagnostics >> System Diagnosis - Catalyst Monitor System >> Catalyst Converter Efficiency Below Threshold

Catalyst Converter Efficiency Below Threshold

For component testing, use P0420 trouble code diagnosis. P0420

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