at mo im trying to fit a ari fuel ratio on type ra i got one last night a pin out and said it b136 pin 5 so i tapt into that let my car run for 30 min and all it reads is 2 red bar on rich so i woz wondering if that woz right or i put it in wrong place

 

check here chap

http://www.jollygreenmonster.com/pinouts.htm

 

it is the o2 sensor

 

yes, you could just go to the sensore loom itself there will be 3 wire's i think and it should be the white or grey 1