Roadieman Posted 4 hours ago Report Share Posted 4 hours ago Hi got this in june 2018 plate usa uk ford edge st line with the duratorq engine CODE T9CE4Y AUTO i have this problem car will run ok and cool down with the fans ,under acceleration it rises quicker the heater in the cabin is normal. The issue arises if you go above 102 degrees or 215 f the cabin goes cold and the temp shoots up to 110 degrees under load if you stop it will drop very quickly the scanner says pcm P26A3:84:2F Range/Performance" issue with the Engine Coolant Bypass Valve 'A after a lot of research it looks like a heater control valve so hit google put the reg number in bought the item the issue is i cant locate this part anywhere looked everywhere followed the pipes from the fire wall and this part is nowhere to be found could be in the cabin or simply a different part completely any help will be very much appreciated Quote Link to comment Share on other sites More sharing options...
garycrist Posted 2 hours ago Report Share Posted 2 hours ago This might give you a clue but, it looks like they buried it down low. Quote Link to comment Share on other sites More sharing options...
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