GVR40
Passion Fingers
i have just rebuilt the engine and now it is only firing on cylinders 1 and 2. 3&4 won't work, i have changed the plugs, and i have swapped the injectors from 1-3 2-4, but still wont work, it isn't valve timing because it worked before i pullen the head off and i didn't touch the head at all. plz help