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Search: Posts Made By: tman4024
Forum: Troubleshooting/Problems 05-05-2015, 08:46 PM
Replies: 3
Views: 307
Posted By Frango100
Re: CEL - P0430 - Catalyst System Efficiency Below Threshold Bank 2

I would change the plugs, because this fault will do nothing wrong to new plugs. Worn plugs could in some cases set the P0430 code. The P0430 code is set, when the PCM sees that the downstream sensor...
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