The Jeep will start when everything has had time to cool down, but once I start the engine and let it run for a few minutes it will not restart. I have replace the fuel pump, and fuel filter. The engine cranks but is not starting.
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fans are designed to run on after you shut engine down as engine temperature rise after switching off . running hot could be caused by the top hose having gone soft when you rev the engine the water pump sucks the hose flat stopping the coolant flow or the radiator is blocked and need flushing out
I Think Your Problem Is Still With The Fuel Supply,Have You Changed all Fuel Filters,Follow All The Fuel Lines Make Sure There Are No Kinked Fuel Hoses,Some Times You Find Small Filters In The Top Of The Fuel Injectors. Hope This Helps
Coolant level first, if it is good, start it up and watch the temp gauge, you need to see if the fan is coming on when it should. Look for leaks once the temp rises and pressure is built up.
Check the hoses, coolant reservoir, radiator (the top is plastic and could leak at a seam as mine did)
Another possibility is the fan clutch, check to see if the fan comes on once it gets warmed up.
Hope this helps.
Try removing the radiator cap when the engine is cool and top off the coolant level. Start the engine with the cap of and let it run to operating temperature which is when the thermostat opens. If you lightly grab the upper radiator hose. If it is cool or warm, the thermostat has not opened. If it is hot, the thermostat has opened. At that time have someone assist you by sitting in the car to rev the engine up (1800 to 2000rpm) and hold it there while you once again top off the radiator and tighten the cap. DO NOT BRING THE RPM DOWN TO IDLE WITHOUT HAVING THE CAP ON TIGHT! THE HOT COOLANT WILL OVERFLOW FROM THE RADIATOR! Then let the engine run to see if the air has escaped. You may have to do this procedure more than once. If at any time you feel that the engine is getting too hot, tighten the radiator cap and then shut the engine off. Then let it sit and repeat the steps above. Constantly monitor your temperature gauge at all times.
sounds like a security issue they installed a factory security system which will prevent the vehicle from running unless its reset go to passenger door lock turn key twice it worked for me after chasing other problems for a few hours