Quote Originally Posted by 2Dmax View Post
sir, the power seems to be insufficient. will cleaning the nozzle tips help? also, wala po bang kinalaman ang faulty nozzles/pump sa vibration ng engine?
Did you try removing the air filter element as suggested?

Check valve clearance.

Check injection pump timing.

If you have done all the above and still have a problem, it is possible that you may have a fuel injection system problem.