it's something else in the engine, you need to take it to a mechanic
yes it will, start swapping!
Check the battery.
1996
If the anti-theft will not let a 1999 Jeep Grand Cherokee 4. 0 start, it will need disabled. The owners manual will instruct you on how to disable it.
check the crankshaft sensor
900-1200
This is often from a dead battery.
Commonly CKP sensor or Starter. What does it do when you try to start it? clicks
jumped time check your timing belt
When barney got horny and jumped of a bridge.
hard or wont start after and during rain
Does it turn over? Does it have fuel, spark and compression?