Put the engine to the spec that matches the chip. If it's a chip for greens, and you replace them with blues, then you'll not inject as much fuel as the ECU is expecting, so of course it won't run right.

If the engine still won't start, give us a bit more of a hint as to what is happening.

I presume you've plugged in the water temp sensor at the back of the head on the inlet side (blue 2 pin sensor), and plugged in the map sensor? Similarly, have you accidently swapped around the plugs for the crank sensor and the dizzy phase sensor?