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Re:...catalyst failures Posted by MC [Email] ![]() ![]() In Reply to: 2nd DIC failure in 7 months, now code P0420 causal?, marynvince, Fri, 24 Jan 2014 07:13:10 Members do not see ads below this line. - Help Keep This Site Online - Signup |
Catalyst efficiency failure (P0420) can be caused by lost of things.
Sounds like an unlucky coincidence, But could also be directly correlated to the faulty IDM. An excessive amount of unburned fuel ending up in the exhaust system could have contaminated the substrate. Though It may have been on its way out anyway and the extended no-start cranking just hurried the process.
Its unfortunate that the ignition cassettes failed so prematurely, but you have to see it from the other side too; There is really no way to predict how or when an electronic component such as that will fail (unless they were knowingly installing used or inferior parts {TSN consensus is ProPartsSweden IDMs are garbage!}.
If your diplomatic about it, Perhaps you can get them to meet you half-way and comp the labor for cat replacement if you pay for the cost of the part/s.
posted by 173.164.68...
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