Howdy, Stranger!

It looks like you're new here. If you want to get involved, click one of these buttons!





ECM and Cat Problems (P0420) + Dealer Gouging

soe7soe7 Posts: 3
2003 Matrix, 132,500 miles. The check engine light came on so I pulled the code and got the P0420, which I knew to be a cat issue. I wasn't sure if it was still under the 8 year warranty (it wasn't since it's in-service date turned out to be 4/2002!) but took it to the dealer anyway because it also needs a new driver's side door handle. Even though I gave them the codes they still charged me $95 for the diagnosis . . . anyway, they said the ECM is corrupt and can't be flashed and the cat has to be replaced (which I had already figured out and I'm "just a girl"). They quoted me $2200 to replace the ECM and cat. Now, I know very well I can buy an after-market cat and ECM and have someone else do the job but my question (in addition to venting) is . . . if I have a muffler type place do the cat, will they also be able to do the ECM? Will the ECM need to be reset and can it only be done by Toyota. I think Toyota started sharing the ability to do things like that.
So . . . any thoughts on the price the dealer quoted (all after having my car for 30 hours btw) and on where to go to get the work actually done?
Sign In or Register to comment.