Hi Forrest:

I had the same problem twice and changing the sensor solved my problem. When the car got to operating temp, it would shut down and crank but not start. Wait 10-15 minutes and starts up and goes until gets up to the same temp and shuts down once again.

Eric

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1987 260E Charcoal Grey 157,000 Miles
1987 260E Forest Green 120,000 Miles