← Questions for the Best Web Mechanic

2004 Jetta Bank 1 p0420 keeps coming on.

I replaced the front o2 sensor it was in bad shape.

—submitted by Kelly on May 28th 2011 at 6:48am.

  • DannytheMechanic
  • Posts: 181
  • May 28 2011 7:07am

This post contains the solution to the original quesiton, '2004 Jetta Bank 1 p0420 keeps coming on.'

Are you interested in this topic? You can view this answer for $3

Register now with Best Web Mechanic! It's free!