95 Cherokee Country 4.0l, Misfire at low RPM, in high gear
1995 Cherokee Country 4.0L Auto 4wd Transmission. I have replaced the plugs, wires, cap, and rotor. It seems like it improved a little, but still climbing hills, at around 40 - 45mph, in higher gears (4th or 5th)it feels like the engine is skipping. Flat road, or slightly downhill there seems to be much less misfiring. I'm scared that it might be timing chain. Any thoughts or ideas?
Mine did this, it turned out to be the vacume hose that comes from the back of the valvecover, and goes to the intake manifold right behind the throttle body. It had a big ol crack in it, and as soon as i touched it pretty much broke in two.
Well it took some time to find, after checking all the vacuum lines, twice, compression testing all 6, changing fuel filter (can't hurt)...still no better & getting worse. Me & my nephew were staring blankly under the open hood, both at a loss for ideas. He said let's look at the rotor again, what its not the right one. Lift the cap, take off the rotor, which looks a little crispy for being new. I grabbed the distributer shaft, and it wiggled back & forth..uh not good. Turns out the whole problem was the bearing in the distributer was gone. Swap out the distributer, play around with everything that goes into the lovely little job. She's back to purring like a kitten...now I need to do shocks & rear brakes.