Hatch problem!

My car has a b18a1 swap, and it runs, but the car jerks when in gear idk whats wrong with it 

teal_dx wrote:Do you mean it is difficult to engage the clutch smoothly? Unrelated, but is the check engine light on?
93EgSedan wrote:teal_dx wrote:Do you mean it is difficult to engage the clutch smoothly? Unrelated, but is the check engine light on?
Yes sir! The O2 sensor aint hooked up.!