Rich Posted September 20, 2004 Share Posted September 20, 2004 hi all since I tried another ecu in my car instead of the mines one ,since I put the mines back in my engine management light has come on .If my ecu needs re setting could anybody instruct me on how to do this . cheers in advance richie:thumbs: Quote Link to comment Share on other sites More sharing options...
eyefi Posted September 21, 2004 Share Posted September 21, 2004 pull the 2 EFI fuses (for 5 mins) from the fuse box under the bonnet. but i dont think this will make a difference. have a look on mkiv.com for reading engine diagnostic codes. any other lights? Quote Link to comment Share on other sites More sharing options...
Rich Posted September 21, 2004 Author Share Posted September 21, 2004 no the only light is the engine management light ill have a go at pulling those 2 fuses tommorrow night and see what happens. Quote Link to comment Share on other sites More sharing options...
Rich Posted September 29, 2004 Author Share Posted September 29, 2004 pull the 2 EFI fuses (for 5 mins) from the fuse box under the bonnet. pulled the 2 fuses under the bonnet and its done the trick I think no more engine warning light:) cheers eyefi:thumbs: Quote Link to comment Share on other sites More sharing options...
dandan Posted September 30, 2004 Share Posted September 30, 2004 Why have you swapped ecu's? Quote Link to comment Share on other sites More sharing options...
Rich Posted September 30, 2004 Author Share Posted September 30, 2004 yeah had a start up problem with the new fuel system and mines ecu so terry sent me a stock ecu to see if it was any different. when i swopped back from stock to mines the warning light appeared:thumbs: Quote Link to comment Share on other sites More sharing options...
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