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Home >> Suzuki >> 2004 >> Vitara RWD, Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine General Information & Diagnosis >> Diagnostic Information and Procedures >> DTC P0420, P0430: Catalyst System (Bank-1/-2) Efficiency Below Threshold >> DTC Troubleshooting
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DTC Troubleshooting

Fig 1: DTC P0420 / P0430: Catalyst System (Bank-1/-2) Efficiency Below Threshold Troubleshooting Chart
G02256466Courtesy of SUZUKI OF AMERICA CORP.
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