1999-2009 [Subscribe to Daily Digest] |
[Main 95 Bulletin Board | BBFAQ |
Prev by Date | Next by Date | Post Followup ]
Member Login / Signup - Members see fewer ads. - Latest Member Gallery Photos
V6 reoccurring P0420 Posted by fdw201 [Email] (#2066) [Profile/Gallery] (more from fdw201) on Fri, 28 Jun 2019 09:50:15 Members do not see ads below this line. - Help Keep This Site Online - Signup |
2003 3.0.
Last summer I started getting a P0420. I replaced the cat with a Bosal unit and all seemed good to go.
This summer, though, the car is throwing an occasional (3 or 4 per month) P0420 again.
I did a little looking and one of the studs connecting the turbo to the down pipe is broken off, and theres a small exhaust leak. Would that be a contributor?
Beyond that, should I look at replacing the O2 sensors? I have both in my inventory.
Any other troubleshooting ideas? I've seen mentions of an ECU flash that may address... any details on that?
->Posting last edited on Fri, 28 Jun 2019 09:50:44.
_______________________________________ 01 9-3 Viggen 03 9-5 Arc
No Site Registration is Required to Post - Site Membership is optional (Member Features List), but helps to keep the site online
for all Saabers. If the site helps you, please consider helping the site by becoming a member.