Notttravis707
Passed Driver's Ed
- Location
- Northern California
- Car(s)
- Mk5Gti
I was getting code p0420 for about a year and finally replaced my DP with a used one. Cleared the code and have driven 156 miles without it returning. It would usually only take about 60 miles with the bad one. Any ideas on what I can do to get everything to pass?