It does not go above 35 on highway
SOURCE: Jeep Wrangler Gas Consumption and Loss Of Power
If its using a lot more fuel than usual its almost garaunteed an 02 Sensor. Those are located on the Exhaust Manifold's, are about the size of your thumb, and generally have 2, or 3 wires coming from them. If you can, check them for operation before you replace them as sometimes they're kindof expensive.
SOURCE: 92 Jeep Wrangler MAP sensor bad?
This may not be your MAP but your Catlettic Converter. I also own a 92 Wrangler and had some of the same issues. My issue was actually a couple of things but they all came from a crack in my exhaust headder.
You may want to check your exhaust headder for cracks. If there is even a small one, (which are VERY common w/ YJ's) than your O2 sensor is thinking that the engine is running too lean. Therefor telling the fuel pump and injectors to dump more fuel into the engine. Well, truth is your not running too lean, in fact, you begin running too ritch.
The unburned fuel that is now comming out through your exhaust collects on the porslen screen inside your catalettic converter where it burns off, causing the screen to melt together. Resulting in a clogged cat.
The only way to fix this is to replace the ehaust headder (welding the crack will not work) and replacing the cat. This would explane your loss in gas mileage and power, due to over back pressure. The ticking sounds like the back pressure working on your valves.
Hopefully I'm wrong and this is not your issue because it is a very expencive repare. You're looking at around 350.00 to 500.00 just for a good headder and atleast 250.00 for the cat. However, an easy way to test this is to take a flash light and have a good look at your headder anywhere there are joints where pipes come together. Look for black, ashy spots above and around the joint. If you see this anywhere then I hate to tell you but this mite just be your problem.
SOURCE: 1992 jeep wrangler (4.0l , standard)- power loss after warm up.
Check your transmission fluid level and check for transmission fluid leaks. maybe
SOURCE: 2007 jeep wrangler shakes uncontrollaby after
When you say shakes i am guessing the steering wheel. If it is the steering wheel shaking, it's know as the death wobble. Check the front steering components, look for worn or broken parts. Most common for death wobble are the tie rod ends, idler arm and pitmen arm. look for play along the track bars and check the ball joints. The other thing too that will cause a death wobble is a bad alignment. there may be negative or no caster at all which would give you a death wobble. Check all of the above and keep me posted. Good luck and be safe
SOURCE: how to install a new radio in a 2002 jeep wrangler
if you buy your radio from a reputable dealer he will have the correct wiring adapters and mounting hardware for your vehicle. with the correct equipment it will be a breeze
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