Ford Crown Victoria P Codes (Powertrain) P0400 - P0499 P0406
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EGR Code P0406 After Installing New Set Of Ignition...
Car Has New Egr Valve Since January 2021. Worked Well, No Codes. Yesterday I Installed 8 New Ignition Coils. Car Runs Great, Except It Now...
Asked by P71guy
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