93 stops when temp hits 190
05-23-2017, 02:07 PM
#1
Intermediate
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Member Since: Oct 2004
Location: Arlington Heights IL
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93 stops when temp hits 190
93 stops when temp hits 190. Won't restart until cool down. Constant problem. Is it the ECM? What needs to be checked out? 
05-23-2017, 02:24 PM
#2
Safety Car
Symptoms of a failed ICM (Ignition control module).
If that is the problem, easy fix. Easy access, just make sure you apply thermal grease, usually comes with part, to the backside of the unit.
Do bit leave store without the grease.
If that is the problem, easy fix. Easy access, just make sure you apply thermal grease, usually comes with part, to the backside of the unit.
Do bit leave store without the grease.
05-23-2017, 05:32 PM
#4
Zen Vet Master Level VII
Double check your Coolant sensor. You would not be the first guy to have a false read from your sensor that sends the computers batty and start shutting systems down.
05-23-2017, 09:36 PM
#8
Le Mans Master
I agree trying the ICM first. Never hurts to have a spare ICM either if it was not bad.
Also try putting a cooling pack on top of the ECM. This may give you a clue and direction if further troubleshooting is necessary.
Also try putting a cooling pack on top of the ECM. This may give you a clue and direction if further troubleshooting is necessary.
