P0420 Cadillac Cts
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Cadillac CTS P0496 OBDII Code Diagnosis | Drivetrain Resource
Sensor cadillac 2006 sts location catalyst o2 bank po420 where located which side low p0036 efficiency under cat I have a 2006 cadillac sts with a po420 catalyst efficiency low bank 1 Cadillac cts p0496 obdii code diagnosis
2010 cts awd p0420 and p0430 codes
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