1987 Ford Tempo cuts off when it gets warm

Tiny
MISTERDEW
  • MEMBER
  • 1987 FORD TEMPO
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 175,000 MILES
Will start up and idle but when it gets warm or hot will cut off do u have any suggestions on the problem
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Saturday, February 7th, 2009 AT 8:02 PM

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Tiny
FIXITMR
  • MEMBER
Does it start right back up?Or does it have to cool down some?Fuel pump can overheat and quit. Ignition module can do same.I would suspect either 1 based on mileage and original part. If it does not start right back up then first check for spark. If no spark could try putting ice on ignition module on side of distributor(the thing with the large electric plug below cap and wires). If it starts after treating with ice it's probably the culprit. If it has spark and wont start then check for fuel pressure. Turn ignition key to on while someone listens with ear on trunk for whirring sound of fuel pump. Sometimes you can hear it from in car. It's right under the back seat area. If good then remove gasline from filter on passenger side fender under hood behind coolant overflow bottle. Do pump test again to see if fuel is squirting out. Catch it in a jar/etc. If none of this helps could be a computer/engine sensor related problem. The 2 major sensors that effect running are the coolant temp sensor and the MAP sensor. CT is on thermostat housing on drivers side of cylinder head and MAP sensor is located on top of passenger side shock/strut tower. Check MAP sensor hose that gos over to intake plenum. No cracks or leaks allowed.I'm assuming you have multi port injection and not single throttle body that looks like carburetor.
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Monday, February 9th, 2009 AT 7:00 PM

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