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    Motor Age Garage

    Jan. 1, 2020
    Contributing Editor Mark Giammalvo tackles an intermittent problem on a Buick LeSabre that has taxed the owner's patience for the last time.
    Phantom StallWHAT A HEADACHE
    VEHICLE: 1994 Buick LeSabre Custom
    DRIVETRAIN: 3.8 liter six-cylinder with four-speed A/T
    MILEAGE: 117,061
    COMPLAINT: Intermittent stalling and rough running.
    (Photo: Mark Giammalvo)What can a tech do when an intermittent problem refuses to be duplicated in the bay?

    Probably one of the worst service problems you will ever encounter is a vehicle with an intermittent symptom. Worse yet is a vehicle with an intermittent stall condition. In fact, not many other problems will upset a customer more than a car that intermittently stalls. 

    Several years back, General Motors coined the phase:

    About the Author

    Mark Giammalvo

    Mark Giammalvo specializes in driveability diagnostics at his family

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