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Recent content by violet
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V
Po420 po430 codes 2025 ram i6 3.0
Today I had 1 in the shop with po420 and po430 codes found reflash for iscm and did update, no change codes returned removed catalytic converters and found complete melt down. Tha refresh is also to correct misfires so recommend to do this before replacing catalytic converters.- violet
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- Forum: 5th Gen Powertrains