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2018 3.5 EB issues, codes P0018 and P0021 - Ford F150 Forum - Community
Ford F150 P0420: Catalyst System Efficiency → Below Threshold → Bank 1
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Ford F150 P0420: Catalyst System Efficiency → Below Threshold → Bank 1
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05 5.4l Runs great Code P0430 Help! - Page 2 - Ford F150 Forum