Whenever i drive the car and reach a speed of 80/hr the speedo meter gets to 0 with a beep sound and all the lights of meter pops up and rpm doesn't go above 2000 rpm. After this problem coming i have done all major service like timing belt ,pulleys, filters, oil etc still the problem is same and more of now when i turned on the ignition abs and coil lights pop up continuously after the service...