Nissan Rev Jumps and Jerks

Hello, I have a problem with my 2006 nissan Almera it jerks quite a bit when driving and the rev needle jumps continuosly I have taken it to Nissan but they cant help, taken it to the Electrician he now says it is the coil pack. I change the crank and cam sensor and it still does that what do I do
 
Back
Top Bottom