B3n5253 Posted August 8, 2012 Share Posted August 8, 2012 Hello everyone Does the ecu reset procedure delete the fault from the cars memory completely or does it log it and leave it there. If it was plugged in and read. Would it show up there has been a fault? Quote Link to comment Share on other sites More sharing options...
Ricey Posted August 8, 2012 Share Posted August 8, 2012 Good question........I cleared a code on my Alfa yesterday and it was showing 'no historic codes'................there is no way an Alfa has driven 93k without having a previous fault code! Quote Link to comment Share on other sites More sharing options...
ewan221 Posted August 8, 2012 Share Posted August 8, 2012 My ecu which to be honest belongs in a museum does not store anything after reset. No idea though about more uptodate ones. Quote Link to comment Share on other sites More sharing options...
taffyjason Posted August 8, 2012 Share Posted August 8, 2012 Good question........I cleared a code on my Alfa yesterday and it was showing 'no historic codes'................there is no way an Alfa has driven 93k without having a previous fault code! I had two GTV's, they were nothing BUT fault codes! Quote Link to comment Share on other sites More sharing options...
B3n5253 Posted August 8, 2012 Author Share Posted August 8, 2012 So it clears all trace of the fault? Quote Link to comment Share on other sites More sharing options...
Neilp Posted August 8, 2012 Share Posted August 8, 2012 So it clears all trace of the fault? What are you trying to hide lmao. Have you been a naughty boy running wrong fuel or something and trying to disguise it Quote Link to comment Share on other sites More sharing options...
simon da silva Posted August 8, 2012 Share Posted August 8, 2012 i couldn't get mine to reset if i removed the power from the ecu in 1 hour.. i had to use OBD reader to clear the error code.. but my car ECU is behaving VERY funny! Quote Link to comment Share on other sites More sharing options...
B3n5253 Posted August 8, 2012 Author Share Posted August 8, 2012 So it clears all trace of the fault? What are you trying to hide lmao. Have you been a naughty boy running wrong fuel or something and trying to disguise it Not trying to hide anything just wondering. It's a lambda sensor fault. And I was hoping when I take it to the garage they can still find it to work on it. Quote Link to comment Share on other sites More sharing options...
Neilp Posted August 9, 2012 Share Posted August 9, 2012 So it clears all trace of the fault? What are you trying to hide lmao. Have you been a naughty boy running wrong fuel or something and trying to disguise it Not trying to hide anything just wondering. It's a lambda sensor fault. And I was hoping when I take it to the garage they can still find it to work on it. are you running hfc's or decats? Quote Link to comment Share on other sites More sharing options...
B3n5253 Posted August 9, 2012 Author Share Posted August 9, 2012 Just have a cobra mid pipe back so shouldn't effect it. Maybe I should get it plugged in to find out. Quote Link to comment Share on other sites More sharing options...
DoogyRev Posted August 10, 2012 Share Posted August 10, 2012 Could just be a faulty sensor or loose Best get it checked out Drop in on one of the Traders/Forum Members who have the equipment to diagnose Quote Link to comment Share on other sites More sharing options...
B3n5253 Posted August 10, 2012 Author Share Posted August 10, 2012 Thanks mte! Will do :-) Quote Link to comment Share on other sites More sharing options...
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