Runs well, but once it gets heated from driving for about 20-30minutes it just stalls. Have to let it sit for awhile to cool down before it will start up again. Is it fuel injected? Is the problem with the fuel pump?
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Re: '92 Ford Festiva stalls when overheats
It sounds like your radiator fan is not working. once your engine reaches a certan temp. the fan should come on to cool it down. also might be the thermostat is not opening. it is not good for the motor at all to over heat and stall. you could ruin your engine. i would change thermostat first and then run it till it starts getting hot to see if the fan kicks on. if it doesn't, it could be the coolant sensor or the fan itself. good luck.
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First make sure your coolant level is up. If it isnt you wont get heat. Next replace the thermostat. Hopefully your heater core isnt leaking! Do you smell antifreeze in the interior of the car? If so your heater corre may be leaking.It is located inside the dash behind the glove box and unfortunatley the dash has to come out to access. 8 hour job Trev H
Not unusual for fuel pumps to begin to fail once they are heated up from running. First thing in the morning pump is cool, then as you drive, it heats up and begins to lose pressure. After sitting a 1/2hr-1hr, it may start again and run fine for a short time and start to act up again. Had similar problem and found good fuel pressure when tank and pump cool, but lost pressure once vehicle driven a distance and pump heated up. The hotter the weather, the shorter the distance I could drive. If you can somehow set it up to have fuel pressure checked when it starts to act up, that would certainly help confirm if fuel pressure is the culprit.
Are you aware that antifreeze/coolant entering combustion chamber will throw all sensors off due to mixture of coolant with fuel mixture , thus engine receives mixed signals from sensors, which results in poor operating of engine.
here are some signs of a bad fuel pressure regulator: the vehicle runs rough, the engine will not start(usually in morning) MANY TIMES ENGINE STARTS BUT STALLS SHORTLY AFTER STARTING. a bad regulator can result in fouled spark plus, and fuel milage will decrease noticeably. the only cure is to replace regulator. what makes it fail usually it gets a tear in the diafram and it cant maintain fuel pressure. hope this helps toolman,
change the electronic ignition module.try this as well.go to an electronics parts place and get a can of cold spray.mg chemicals or equivalent.
\spray the module the -60 temp will take the heat out and if it runs,that is the problem.
the heatsink compound on the back of the module dries out and it overheats.heat sink compound MUST be used when it is replaced .it is a special high heat di electric silicone based compound...
I had the exact same problem. The cooling fan was failing to come on and thus overheating the engine. Check the cooling fan, cooling fan thermoswitch, and cooling fan relay ( behind drivers headlight ). If you pull the connector off of the thermoswitch the fan will come on whenever the car is in "run"