Important! : 02 sensor circuit

1. nay23 Newbie Joined: Feb 2010 mansfield Posts: 11 rover 220 tomcat fiesta si punto sporting saxo

   #1 28th February 2010, 20:58

   had the car put on diagnosis and brought up that the (02 sensor circuit was faulty,its saying low voltage band 2 sensor 1,does anybody know wot this means?
2. AJ-K Established Member Joined: Feb 2010 Cambridgeshire Posts: 1627 2x Audi TT's & 145bhp VTS (Current)

   #2 28th February 2010, 23:45

   you mean Bank 2 sensor 1
   
   it means you have a lamba sensor out (Oxygen/H20/Bank sensor)
   
   you just need to find out if its post cat or after
3. Aron Saxperience Forum Bum Joined: Feb 2007 Nuneaton Posts: 3554 EP3 Civic

   #3 1st March 2010, 08:42

   sensor 1 is the one before the cat. just replace that mate
4. nay23 Newbie Joined: Feb 2010 mansfield Posts: 11 rover 220 tomcat fiesta si punto sporting saxo

   #4 1st March 2010, 10:09

   thanks very much lads much apprieciated
5. nay23 Newbie Joined: Feb 2010 mansfield Posts: 11 rover 220 tomcat fiesta si punto sporting saxo

   #5 1st March 2010, 11:47

   does anybody know where i can get this sensor 1 from? and how much ?