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Re: Catalytic Converter Follow Up Posted by pme [Email] (#1496) [Profile/Gallery] (more from pme) on Wed, 25 Jun 2014 10:17:12 In Reply to: Catalytic Converter Follow Up, Stephen, Wed, 25 Jun 2014 08:47:52 Members do not see ads below this line. - Help Keep This Site Online - Signup |
How new are the DICs and Plugs? Are they OEM?
Misfires are caused mostly by faults in the ignition system and result in unburned fuel in the combustion gasses going through the cat. That can result in the Cat failing as collateral damage.
Fix the misfires (source of the problem), and then see how the cat does.
There have been a few lengthy threads about OEM DICs available at very reasonable prices for the 4 cyl models. There were similar (although not quite as attractive) deals around from the same sources for the 6 cyl versions (remember you need one for each bank of cylinders).
Good luck.
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