I have a 2000 grand marquis. It stall once it reaches normal operating temp and put in drive and increse speed. The temperature warning light turns on just before the car stalls. I have replaced both coolant temperature sensors but the problem still persists. Need help diagnosing. Thermostat? PCM?
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Thanks for the suggestions I'll try it and let you know.
Tried the thermostat - nothing. Thanks.
Received error P1740 the temperature warning light still turns on and immediately off the Overdrive light does the same the the check engine light turns on and the car stall - most of the time when it is in drive.
I was told it may be a transmission control sensor?
will not shift from park to drive without stalling
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