O2 sensor

steviej · Post by **steviej** » Sun Sep 04, 2011 11:05 am

I have a fault with the 2nd (post cat) O2 sensor, (pre heater open circuit), does anyone know if these sensors are compatible / any use, or would it be a waste of £18 ?
http://www.ebay.co.uk/itm/Universal-ROV ... 4cf6a49fb9
S2 with decat pipe + mil eliminator fitted

Rich H · Post by **Rich H** » Sun Sep 04, 2011 12:22 pm

Depends... they work but might not last.

robin · Post by **robin** » Sun Sep 04, 2011 1:01 pm

Err, I might be being stupid but if you have a decat pipe and MIL eliminator fitted, why do you care about the 2nd O2 sensor?

Cheers,
Robin

robin · Post by **robin** » Sun Sep 04, 2011 1:01 pm

P.S. Refit the cat and save a whale or two ...

steviej · Post by **steviej** » Sun Sep 04, 2011 2:34 pm

"Err, I might be being stupid but if you have a decat pipe and MIL eliminator fitted, why do you care about the 2nd O2 sensor ?"

Because the mil light is on due to the pre heater fault, the eliminator only works on the switching circuit ... annoyingly

robin · Post by **robin** » Mon Sep 05, 2011 7:58 am

Fair enough. If you're lucky the pre-heater on the cheap ebay part will survive much longer than the sensor element.

You do get some chafing on the wires too, so probably worth following back the wiring to make sure it's in good order.

Cheers,
Robin

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