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Home >> Saturn >> 2007 >> Sky Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls & Fuel - 2.4L - DTC P0420 To P2544 >> DTC P0420 >> Repair Procedures

Repair Procedures

IMPORTANT: A new converter with less than 100 miles on it may set P0420 due to out-gassing of the internal matting. Operating the vehicle at highway speeds for approximately 1 hour may correct the condition.
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