vinnyconnolly Posted February 4, 2011 Share Posted February 4, 2011 awrite hope someone can help me i,m going to start pulling my hair out! just replaced the engine and had the fuel pump recoded to suit the ecu in the car but still doesn't start ,sounds like there is no compression in the engine .my mate hooked it up to some machine and there is codes of 1663,1664. Quote Link to comment Share on other sites More sharing options...
jeebowhite Posted February 6, 2011 Share Posted February 6, 2011 Visit http://www.aboutautomobile.com/DTC/ this is a website that will tell you what the DTC Codes are. All DTC codes start with a prefix, most fords are Pxxxx your errors appear to be: Definition of Diagnostic Trouble Code P1663 : Ford: Fuel Demand Command Signal Output Circuit Definition of Diagnostic Trouble Code P1664 : Ford: (FIP) malfunction Quote Link to comment Share on other sites More sharing options...
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