Why do I have a rough idle with a twist?
Why do I have a rough idle with a twist? On the plus side, the engine revs a lot faster in neutral with the new timing chain set. Since the cam position sensor (and adjusting the distributor) are what sets the fuel sync timing, I can only hope that installing the new timing set is what threw off my fuel sync timing, causing the poor gas mileage and hopefully the rough idle. Why does my truck jerk at highway speeds? However, when accelerating to highway speeds you notice that the truck will intermitantly jerk. In addition when crusing at highway...