Did you reset the PCM??? You need to do this every time you change a sensor or do any performance work otherwise the car will run funny until the PCM adjusts on it's own. Resetting is as simple as disconnecting your battery for a few minutes then driving the car few miles after it warms up. If you allow the PCM to self adjust with out resetting it can take several hundred miles before it runs right and you get the full effect of the repairs you made.
