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Home >> Suzuki >> 2004 >> Aerio S, Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine General Information & Diagnosis >> Diagnostic Information and Procedure >> DTC P0401, P0402: Exhaust Gas Recirculation Flow Insufficient/Excessive Detected System >> DTC Troubleshooting
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DTC Troubleshooting

Fig 1: DTC Troubleshooting Chart (1 of 2)
G00784323Courtesy of SUZUKI OF AMERICA CORP.
Fig 2: DTC Troubleshooting Chart (2 of 2)
G00784324Courtesy of SUZUKI OF AMERICA CORP.