F150 p0420 code 2008 ford f150 p0420 code Ford f150 p0420: catalyst system efficiency → below threshold → bank 1
Ford F150 Trouble Codes | Speedway Motor
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Ford F150 P0420: Catalyst System Efficiency → Below Threshold → Bank 1
Ford F150 Trouble Codes | Speedway Motor
2008 Ford F150 P0420 code - Ford F150 Forum - Community of Ford Truck Fans