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Hey guys a bought a 91 yj 4.0 that apparently had been setting for a while. The whole cooling system was gummed up with slush. I flushed the radiator, heater core lines, upper and lower rad hoses. I replaced the thermostat and water pump along with new radiator cap. Now radiator was replaced...

its a 5 speed

I have sprayed the outside of the throttle body with pb blaster and have a can of throttle body cleaner but haven’t had time to clean it it. I have read that a vacuum leak could cause it to stick. Is this true? The thing that I don’t understand is when you are driving half throttle and it runs...

hey guys i just bought a 91 yj 4.0. after doing a look over on it, i noticed it appears to be missing the throttle return spring. i have searched google and can not find a great picture, so can someone post a pic of the factory throttle body set up with throttle linkage and springs? i have found...