Question

2002 Pontiac Grand Prix with engine code P0101, engine dies at highway speeds, clear code & vehicle starts right up

Answer 1

P0101 MAF circuit / range perfromance

If the engine stall at highway speed this  would be the MAF internal connection. If the vehicle idles rough or hesistates, disconnect the MAF, if the perfromance improves , this would be the MAF problem

Answer 2

P0101 PONTIAC - Mass Air Flow Sensor Performance

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