TT Paul Posted August 14, 2009 Share Posted August 14, 2009 fault code 55 keeps popping up on new tt engine fitted for about a wk.. have checked knock sensor no.2 and replaced with one from my old na engine still popped up so swapped ecu been good for past 3 days just driving back home eng was abit hot and code 55 came AGAIN!! im out of ideas anyone have any /vbb/images/smilies/bbcode_angry.gif /vbb/images/smilies/bbcode_angry.gif /vbb/images/smilies/bbcode_angry.gif Quote Link to comment Share on other sites More sharing options...
JDModified Posted August 14, 2009 Share Posted August 14, 2009 Hi. Its worth getting the wire checked back to the ecu for continuity. If thats good I would be getting your air/fuel ratios checked out and stay off boost untill you do. James Quote Link to comment Share on other sites More sharing options...
Jake Posted August 14, 2009 Share Posted August 14, 2009 checked knock sensor no.2 and replaced with one from my old na engine still popped up so swapped ecu been good for past 3 days Out of interest, did you reset the ECU after replacing the knock sensor? (before swapping the ECU I mean) Quote Link to comment Share on other sites More sharing options...
Soop Dogg Posted August 14, 2009 Share Posted August 14, 2009 Also, just out of interest, how hot did the engine get? Nothing to do with your code 55, but these engines normally never get 'too' hot unless something is wrong somewhere. Quote Link to comment Share on other sites More sharing options...
TT Paul Posted August 15, 2009 Author Share Posted August 15, 2009 hi thanks for all the feedback the wire i checked myself before changing ecu but you saying about afr its in for tuning today see how it goes Quote Link to comment Share on other sites More sharing options...
JDModified Posted August 15, 2009 Share Posted August 15, 2009 How did it go??? Quote Link to comment Share on other sites More sharing options...
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