I own a 99 Jeep wrangler. the only thing I can think of is the fuel pump or filter. Which is located in the tank find a gauge to check the fuel pressure on the fuel rail
No.
Yes
Yes
Yes.
Not exactly. The body styles are different. A 1991 Jeep Wrangler is a YJ as a 1999 is a TJ. t
A 1999 Jeep does not have a cabin filter.
No.
NO, you will waste your time and money.
A 1999 Jeep uses R134a.
I have a 1999 jeep wrangler and it get around 15MPG.
10w30
A 1999 Jeep Wrangler needs 6 quarts of oil for an oil change.