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- Sat Sep 28, 2019 4:41 pm
- Forum: 18+ Accord Specific
- Topic: Emissions system problem error code
- Replies: 3
- Views: 6479
Emissions system problem error code
Hey all, Does anyone know which box I need to disable to clear my catalyst error code. After installation of my downpipe I have a continuous error code reading "Catalyst System Efficiency" error and I believe it is due to my catless downpipe. Can someone please advise me what I need to dis...