jeep not running

greenlandmonster

Member
Joined
Mar 21, 2005
Location
Greensboro
Well to start it is a 95 4.0efi.For about 3 mons it would asked up on the trail some but then it would run fine..When it dies out. Too restart it you have to hold the gas to the floor so it can start if it fills like starting.For so reason it is flooding out.
So far i have replaced the spark plugs,distibutor and distibutor pick up the cap rotor wires.Fuel filter,tps,map sensor,o2 sensor,fuel rail and injectors fuel regulator..
The thing has spark, 37 psi fuel .So anything iam missing. Iam thinking the ecm has gone out..
 
take it to a muffelr shop and have them test teh back pressure. possible to have a plugged Cat. Have you replaced the Muffler? I've heard of issues with the mufffler being installed backwards too.
 
I done everthing but test the ecm.I was messing with it yesterday i think i found it.I was thrying to start it with the remote start and I would disconect things while trying to start.I disconected the temp sensor and it started..Went and got a new temp sensor and it runs fine now....

I have never had something not run bucause of the temp sensor
 
The coolant temp sensor sends a signal to the PCM/ECM telling it what temp the motor is. When cold it puts more fuel to the engine just like when a carb engine shuts the choke flap. If the coolant temp sensor shorts or glitches it would see -40F which would dump fuel thus flooding the engine. FYI :popcorn:
 
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