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Home >> Pontiac >> 2007 >> Solstice GXP, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Engine Controls & Fuel - 2.4L - DTC P0420 To P2544) >> DTC P0420 >> Repair Procedures

Repair Procedures

WARNING: This page is about a different variant/trim than selected.
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.