ricochet Posted October 30, 2017 Share Posted October 30, 2017 Passed MOT with these codes showing. which I have found out are O2 sensors. Should I just go ahead and replace the sensors or are their other things I should look at? If I replace the sensors.... Should I use genuine Nissan or are other brands / suppliers that can be recommended? ( costs of parts ? ) And what are any likely problems? PS. remapping has occurred previous to my buying the Z, and it has a throttle controller thingy ( which is usually in Eco,) Thanks in advance for all help. Quote Link to comment Share on other sites More sharing options...
HEADPHONES Posted October 30, 2017 Share Posted October 30, 2017 I've had my zed 12 years now and have had the EML come on about 4 times due to getting 02 sensor fault. I think it was always P1146. Anyway....... I've always cleared the code with the pedal dance initially but the last time using my cheapo code reader. No doubt it will arise again in a few years! As long as it doesn't become persistent after code clearing, I'd put it down to a glitch. Ps. My zed has no engine/exhaust mods. Quote Link to comment Share on other sites More sharing options...
ricochet Posted November 1, 2017 Author Share Posted November 1, 2017 The codes have been cleared a few times but come back within a week or so. its had exhaust mods also. some delving about these codes says Sensor 2 Bank 1 and Bank 2, so to check this means rearmost sensors? as its an 04 plate with over 100k miles I suppose its not unreasonable for them to need replacing , (hope that sorts it) So, any recommendations about sensor brands/suppliers? Quote Link to comment Share on other sites More sharing options...
HEADPHONES Posted November 1, 2017 Share Posted November 1, 2017 PM Zmanalex or Clarke Motorsport Quote Link to comment Share on other sites More sharing options...
PPod Posted November 1, 2017 Share Posted November 1, 2017 I've now left mine for over 3 years. Leave my engine light on the entire year then just before mot do the pedal dance and passes Quote Link to comment Share on other sites More sharing options...
Paul K Posted November 1, 2017 Share Posted November 1, 2017 i can see the logic for you doing this, but don't forget that having your CEL illuminated for a year will mask any other CEL condition that may occur Quote Link to comment Share on other sites More sharing options...
MDMetal Posted November 1, 2017 Share Posted November 1, 2017 CEL being lit isn't an MOT fail... I hate this mine do it to with my HFC's as I've moaned about several times. I just want a cheap fix Quote Link to comment Share on other sites More sharing options...
ricochet Posted November 5, 2017 Author Share Posted November 5, 2017 Ah. speaking to the previous owner it has Berks HFCats' Scorpion SS Exhauast, Abbey Motorsport Re map and the throttle controller mod. (amongst others). From searches Zmanalex use to sell spacers as a cure...... (bml EML at no) 0therw9se its fun. xxx Quote Link to comment Share on other sites More sharing options...
ricochet Posted November 6, 2017 Author Share Posted November 6, 2017 Local Car spares factors quoted £264 to supply the two rear sensors Blueprint brand . I could probably get some discount off but surely I can do better? BTW just fitted polished plenum which involved clearing the codes (and EML) and it hasn't come on again in the past two weeks , still i'll not fool myself ,money will have to be spent . Quote Link to comment Share on other sites More sharing options...
andybp Posted November 6, 2017 Share Posted November 6, 2017 The rear sensors don't actually have any impact on the running of your engine I think their sole purpose is for monitoring ie telling you your cats aren't working which is why they bring up errors sometimes with hi flow cats as they are usually less efficient Quote Link to comment Share on other sites More sharing options...
ZMANALEX Posted November 6, 2017 Share Posted November 6, 2017 You can get the sensors switched off as part of the up rev tune /Re map Quote Link to comment Share on other sites More sharing options...
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