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P0401 Code: Exhaust Gas Recirculation (EGR) Flow Insufficient Detected
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05 5.4l runs great code p0430 help!
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Rough Idle Trouble CODE P0402 - Ford F150 Forum - Community of Ford
P0430 Code: Catalyst System Efficiency Below Threshold (Bank 2) - In
P0401 Code: Exhaust Gas Recirculation (EGR) Flow Insufficient Detected
05 5.4l Runs great Code P0430 Help! - Page 2 - Ford F150 Forum