I cant seem to get everything smoothed out after my H22a. The car was running fine(although it wasn't passing smog) until I put in the p13 ECU. Then it started acting up. When I drive it, it jerks, and looses and gains power randomly. For example when I start off in first it's VERY sluggish to go. But in other gears it jumps as soon as I touch the pedal.

If anyone out there can send me on the right direction to fixing my problems I'd be grateful for the advice. Any questions about the car I can answer. Please help.

P.S. - My friend suggested that it could the fuel injectors, I'm not sure if those had to be swapped with the engine or not.