C Chelsawy New member Joined May 16, 2007 Messages 21 Points 5 Sep 15, 2007 #1 Hi there , where is the oxygen sensor in the exhaust system , is it before or after the catalytic converter ? and how can i check that it is working perfectly ?
Hi there , where is the oxygen sensor in the exhaust system , is it before or after the catalytic converter ? and how can i check that it is working perfectly ?
T14086 Patron member Written a guide Joined Sep 12, 2004 Messages 39,858 Points 7,250 Location Preston Sep 15, 2007 #2 before the cat or if your car is EOBD it will have one after the cat aswell which has the sole purpose of monitoring the efficency of the cat. best way to check is with a oscilliscope.
before the cat or if your car is EOBD it will have one after the cat aswell which has the sole purpose of monitoring the efficency of the cat. best way to check is with a oscilliscope.