Thread: Newbie needs help. So please help his torchered soul.

I need a little help finding out whats wrong. When im driving at a steady speed my Rpm tac will drop to 0rpms and my trac off light will come on. Any ideas? Its starting to happen more and more often and is even throwing a code. But it turns off before i get to an autozone to see what code it is.

Bouncing tach? Sounds like the CPS (Crank Postioning Sensor), I common issue...