Ford Expedition P Codes (Powertrain) P1400 - P1499 P1409

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1998 Ford Expedition Code P1409 What Does It Mean And...

1998 FORD EXPEDITION
Had Egr Failure Pulled And Cleaned Egr Now I Have P1409 Manufacture Control Auxiliary Emission Control Failure What Can I Do Now To Fix...
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Asked by fbaer13

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