If it is a stock engine; or if when you look at the engine, there is a large, round air cleaner on top of it, then it is carbureted, not fuel injected
If it is a Wagoneer then it is fuel injected in 87. If it is a Grand Wagoneer then it is carburated.
Yes. A 1991 Jeep is fuel injected.
Fuel injected.
It is fuel injected and does not have a choke.It is fuel injected and does not have a choke.
Fuel injected.
Yes
Sounds like either leaky fuel lines or leaky fuel tank (or both)
Yes.
yes
No fuel injection started in 1991. they took the 2.5 from the XJ actually in 1991 that's why it fuel injected. Yours is TBI or carb. The 2.5L should be fuel injected in 1989.
Yes.
Fuel pump and filter are located at the engine, it is a mecahnical pump the filter should be right on top of the manifold
Bad fuel pump, clogged or broken fuel lines, or if it is fuel injected it could be bad fuel injectors.