FiftyOne Bronze Donating Members 1,145 Member For: 11y 9m 29d Gender: Male Posted 10/03/14 10:06 AM Share Posted 10/03/14 10:06 AM Just replaced my o2 sensors on the ute & noticed the one behind the cat had a blue connector on the loom & the other at the turbo had a green one. The plugs were basically the same save for the indexing tabs on the sensors themselves. I snapped the tabs off the sensor & just plugged it in to the loom. My understanding is that o2 sensors are pretty much to a standard & they should work when plugged in. So far, no warnings/limp, economy seems better, power is good.Anyone know if there is a difference? (couldn't imagine they would use two different sensors like that surely? I'll ask a former FPV sparky I work with tomorrow as well) 1 Link to comment https://www.fordxr6turbo.com/forum/topic/87737-different-o2-sensors-front-to-back-of-turbo-b-series/ Share on other sites More sharing options...
FiftyOne Bronze Donating Members 1,145 Member For: 11y 9m 29d Gender: Male Posted 11/03/14 09:09 AM Author Share Posted 11/03/14 09:09 AM Looks like there's not a huge difference. We think the rear sensor is more for temp only (monitors the cat temp for emissions) where as the front is also for temp+02 Link to comment https://www.fordxr6turbo.com/forum/topic/87737-different-o2-sensors-front-to-back-of-turbo-b-series/#findComment-1459713 Share on other sites More sharing options...
turbotrana Member 2,586 Member For: 22y 30d Gender: Male Posted 12/03/14 03:43 AM Share Posted 12/03/14 03:43 AM I looked into this some time ago. It seems on the surface that there is little difference however why would they be a different colour and indexed differently. I am currently running a blue on the front green, however now that you mention it, it does not seem to always go into closed loop at idle so I think I need to look into again.I disconnect the rear sensor via HP Tuners as do most tuners to avoid error codes. Link to comment https://www.fordxr6turbo.com/forum/topic/87737-different-o2-sensors-front-to-back-of-turbo-b-series/#findComment-1459825 Share on other sites More sharing options...
jas98 Member 1,046 Member For: 12y 9m 7d Gender: Male Location: Maryborough Qld Posted 12/03/14 02:27 PM Share Posted 12/03/14 02:27 PM (edited) I have a blue connector sensor that I got with a cat I had. I have a BA xr6t which has one green sensor only (no blue). ford told me the blue ones are 250 new and green 140if your after a blue one I have one for $40 works perfect as it did on the donor car Edited 12/03/14 02:27 PM by jas98 Link to comment https://www.fordxr6turbo.com/forum/topic/87737-different-o2-sensors-front-to-back-of-turbo-b-series/#findComment-1459900 Share on other sites More sharing options...
FiftyOne Bronze Donating Members 1,145 Member For: 11y 9m 29d Gender: Male Posted 14/03/14 09:42 PM Author Share Posted 14/03/14 09:42 PM Probably keep that in mind actually mate. Ute's starting to drink a bit of fuel which I wasn't expecting, trying to figure out what's going on. Could be likely that rear sensor 1 Link to comment https://www.fordxr6turbo.com/forum/topic/87737-different-o2-sensors-front-to-back-of-turbo-b-series/#findComment-1460209 Share on other sites More sharing options...
Bellato Donating Members 2,713 Member For: 14y 6m 11d Posted 25/03/14 02:50 AM Share Posted 25/03/14 02:50 AM Any news on this? I've been getting gradually worse fuel consumption on my FG and was looking at changing both o2 sensors, want to make sure I do it right Link to comment https://www.fordxr6turbo.com/forum/topic/87737-different-o2-sensors-front-to-back-of-turbo-b-series/#findComment-1461882 Share on other sites More sharing options...
FiftyOne Bronze Donating Members 1,145 Member For: 11y 9m 29d Gender: Male Posted 25/03/14 12:34 PM Author Share Posted 25/03/14 12:34 PM Well, just did a long distance drive & got 8.7L/100k. So not real sure whats going on. Thought is at this stage the temp probe in the rear is a little more sensitive & effects the tune in town situations Link to comment https://www.fordxr6turbo.com/forum/topic/87737-different-o2-sensors-front-to-back-of-turbo-b-series/#findComment-1461998 Share on other sites More sharing options...
DD-XR-6T Member 134 Member For: 12y 1m 4d Gender: Male Location: Sydney/Canberra Posted 27/03/14 12:33 PM Share Posted 27/03/14 12:33 PM (edited) Replaced both my O2 sensors with green VDO ones off eBay, pulled the little locating lugs off with a pair of pliers, whacked em in. 2 weeks later no issues, improved fuel consumption and runs smoother. I'd give it the go ahead.My old ones were stuffed btw (5.0L/hr at idle) so they had to be replaced and the eBay ones seemed legit enough. Edited 27/03/14 12:36 PM by DD-XR-6T Link to comment https://www.fordxr6turbo.com/forum/topic/87737-different-o2-sensors-front-to-back-of-turbo-b-series/#findComment-1462411 Share on other sites More sharing options...
Bellato Donating Members 2,713 Member For: 14y 6m 11d Posted 28/03/14 03:01 AM Share Posted 28/03/14 03:01 AM When hot im only getting 1.8l/hr so not that bad, wondering if they're actually stuffed or not Link to comment https://www.fordxr6turbo.com/forum/topic/87737-different-o2-sensors-front-to-back-of-turbo-b-series/#findComment-1462499 Share on other sites More sharing options...
jas98 Member 1,046 Member For: 12y 9m 7d Gender: Male Location: Maryborough Qld Posted 28/03/14 03:57 AM Share Posted 28/03/14 03:57 AM when hot mines at 1.3lph with air con off and 1.6-7 with it on. however when cold its up round bloddy 6-7lph lolim also getting some fumes from exhust but not like its running rich though so could that still be o2 sensor? as econamy has gotton worse lately Link to comment https://www.fordxr6turbo.com/forum/topic/87737-different-o2-sensors-front-to-back-of-turbo-b-series/#findComment-1462507 Share on other sites More sharing options...
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