Hello everyone. I'm new here, first post, go easy on me.

I just picked up a '92 Cherokee with 170k miles. It's all stock and the body is in decent shape, interior is decent and everything is pretty clean. I noticed it had a somewhat rough idle when I was looking at it. I think it may have been sitting for awhile. Anyway, when I started driving it, it would get these severe vibrations. At first I was thinking engine mounts, but it happened almost randomly at any speed/RPM,. It did seem to happen most often when I was letting off the gas but not braking, or when it felt like the engine might have been bogging just a bit, usually between 1400-2000 RPM. Application of the gas pedal often would smooth it out. After about an hour on the freeway it did seem to smooth out a bit.

Any ideas? I'm hoping it just needs a good tune up and this isn't something serious.

Oh, is there anything specific I should keep in mind when I'm tuning it up tomorrow?

Thanks!

 

new vechicle first thing to do tune up oil change air filter fuel filter check all hoses and rubber lines brake fluid trans fluid power steering coolant all should be checked

 

When tuning it up just take your time and make sure you get the wires in the correct spots.

 

Thanks for the input everyone. I'm going to get started on it today. This is what I am going to do:

Oil (any oil recommendations? is dino oil ok or should I go to synth [I usually use M1])
Filter
Plugs
Plug Wires
Distributor
Tranny Fluid
Brake Fluid
Power Steering Fluid
Fuel Filter
Differential fluid
Drain radiator

Am I missing anything?