file-error
New Member
im tired and tired of looking, on a honda crx 90, does it mater where the 4 wire o2 is installed , should it be on the top of the manifold or at the end before the cat, i was told i dont need 2- 4 wire o2 sensors i can use 1- 4 wire and the stock one from the crx as my second.
im using a p28 with the obd1 harness and sub harness
im using a p28 with the obd1 harness and sub harness