Check for any cracks in the air hoses going to the throttle body. The engine may be flexing just enough on the mounts to let some unmetered air in, allowing it to lean out just enough to die.


My Truck: 1987 XtraCab DLX 22R 4WD 5 Speed Manual
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"Speed has never killed anyone. Suddenly becoming stationary, that's what gets you." -Jeremy Clarkson