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Home >> Suzuki >> 2004 >> XL-7 EX, 4WD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine General Information & Diagnosis >> H27 Engine >> Diagnostic Information & Procedures >> DTC P0420: Catalyst System Efficiency below Threshold (Bank 1) >> P0420 Troubleshooting
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P0420 Troubleshooting

Fig 1: DTC P0420 Troubleshooting (1 Of 2)
G02263467Courtesy of SUZUKI OF AMERICA CORP.
Fig 2: DTC P0420 Troubleshooting (2 Of 2)
G02263468Courtesy of SUZUKI OF AMERICA CORP.