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You need to pull the diesel engine out flush or replace fuel lines flush or replace gas tank install new cataliys convertor replace oil temp sending units (better with mechanical gages) connect the ignition wire to distributor
if your engine is a 4 cyl, look on the drivers side of the back of the engine for a water temp sending unit,,,there are 2 units there, the top one is water, the bott one is oil pressure....easy fix ....luck to you
try replacing the coolant temp sender,here is a diagram for the 2.3 4cylinder engine its located at rear of engine, and if its a 5.0 engine it will be near oil filter.hope this helps.this diagram is for the 2.3 engine.there is also a diagram of the coolant temp sensor dont change this one, you want the sender,
Likely the temp sending unit has failed. They aren't very expensive. One on 4.0 engine is on the thermostat housing but don't know which engine you have. Blower problem could be the resistor pack but not sure exactly where it is on yours, it is always on the heater box and generally looks like a flat fiber plate with four wires going to it.
CHECK GAGES light (1) indicates a potential engine failure(low oil pressure, low coolant, coolant overheating) has occurred. · Check gages and shut down engine. Gages should read as follows: Oil pressure 5 to 10 psi (34 to 69 kPa) at idle; Water Temp gage below 230 degrees (110 C).
· Check engine oil level (Para 2-11) if OIL PRESS gage indicates low reading. Check coolant level (Para 2-11) if Water Temp gage indicates high reading. Notify Unit Maintenance if levels are low.
If CHECK ENGINE light (2) is on, check engine oil pressure gage (3) and water temperature gage (4). If both indicate normal, proceed with mission and then notify Unit Maintenance. If either one does not indicate normal, stop engine immediately and notify Unit Maintenance
The water temp sensor is located near the thermostat housing. This sensor is what tells the ECM to turn the fan on/off. The water temp sending unit is located near the same area. You know you have the correct sensor is because the water temp sensor has a 2 prong plug. The water temp sending unit only has 1 prong.