Missing bad plus all sorts of lights in dash

[ALP584]

Ok heres my problem i just did the timing belt it was done all correct to spec , i double checked the timing plenty of times its correct , heres the thing the car misses bad at idle and there is noticable power loss at higher rpm range and whenever the car idles in my dash i get coolant light battery light and brake light all flash with the idle , as the idle moves up and down the lights flash , i dont know my ac needs to be rebuilt but i dont think thats the prob or is it please help asap

thanks

 

[ChefTSI]

As for the Lights i think its sounds like your alt is going out or the belt is not on right. put a volt metar on your bat. and check the alt.