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2004 Buick LeSabre Custom 4dr Sedan

2004 Buick LeSabre
Trim Info:
Front Wheel Drive, 4 Dr Sedan Custom, Large Car
20 mpg city / 29 mpg hwy
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October 11, 2012, 8:39 pm

Joan F
 

Question: What causes the car to shut down completely while driving?

While driving on the highway every thing just shut down. Nothing working. Disconnected the battery cable waited about 15 min. then reconnected the battery and the car starts up and everything working again.


October 20, 2012, 7:49 am

Ron W
Expert Mechanic

I'd suspect either the crank position sensor or the ignition module is failing when it gets hot. I'd need to do some testing on the vehicle when it is failing to isolate which none it is. Good news is both are fairly cheap and easy to install.


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