Assuming the engine is not knocking, indicating a serious mechanical problem, its most likely the oil pressure sender.
check for spark and fuel pressure I just had this problem with a 1989 Cherokee and had to have a Cranking Sensor installed.
How to replace spark plugs in a 1989 jeep cherokee?
No.
It is self adjusting on a 89 Cherokee with a in line 6 4.0
Please, rephrase the question. You say you have a 1989 Jeep Grand Cherokee, but the Grand Cherokee did not come out till late 92, but was considered a 93 model. If what you really have is a 1989 Cherokee, we need to know the motor size. The rest we can look up and give you the best answer possible.
as long as the same instruments are there then yes.
No, few too many differences.
trade it
we are not sure
Power windows were an option.
6 quarts
It is located in the fuel tank.