FixVault
Home
›
Pontiac
›
2008
›
Solstice Base, Automatic
›
Repair and Diagnosis
›
Engine Performance
›
System
›
Engine Controls And Fuel - 2.4L - DTC P0351 To DTC 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.
Catalytic Converter Replacement (LE5)
Heated Oxygen Sensor 2 Replacement
Exhaust Leakage
Restricted Exhaust