Still having trouble with my 97 TJ and I fear I will never get to the bottom of it...
It has a slight jerk/ miss at idle and throughout the rev range which makes it annoying to drive, when I rev the engine and then come off the throttle I hear not quite a backfire but a slapback noise from the exhaust which sounds like it isn't happy, it idles fine then stumbles momentarily, as I rev I feel the miss is still present throughout the range (if that makes sense)
I must apologize for my description I am not all that mechanically minded
So far I have changed plugs (OEM) wires, distributor cap, rotor arm, replaced the manifold & both o2 sensors, cleaned the throttle body & IAC but the problem still persists and I am running out of cash/patience with it
and I don't know where to go next....if anything its a bit worse, there is no leaking exhaust noises or signs of a vacume leak, should I continue down the sensor route? TPS? its like the timing is out but I know its not adjustable.....arghhhhhh!
please help me