VEHICLE FREQUENTLY HESITATES AND/OR OCCASIONALLY STALLS AT BOTH LOW & HIGH SPEEDS. MOST OFTEN OCCURS ON INCLINES. TOOK IN FOR REPAIR MORE THAN TWICE AND STILL OCCURS. THE TECHNICIAN WITNESSED IT BUT COULD NOT PRODUCE A VEHICLE ANALYSIS CONFORMATION AN ACCIDENT OCCURRED LAST CHRISTMAS EVE WHEN VEHICLE STALLED AFTER ACCELERATING FROM AN IDLE AT A STOP LIGHT. THE VEHICLE HALTED IN TRAFFIC AND WAS HIT FROM BEHIND. ALSO, STALLED ON THE UP-SLOPE OF A HIGH BRIDGE TRAFFIC ON THE GS PARKWAY (NJ) AT HWY SPEEDS. AFTER NUMEROUS FAILED START ATTEMPTS IT FINALLY RESTARTED A COUPLE OF HOURS LATER. THE CAR HAS ALSO DECELERATED OR HESITATED ON SEVERAL OCCASIONS WHILE DRIVING AT DIFFERENT SPEEDS WITHOUT AN INCLINE. ALSO, VEHICLE MAKES GRINDING NOICE WHEN TURNING DURING ACCELERATION; MOSTLY ON RIGHT. MULTIPLE LIGHTS (HEADLIGHTS, BRAKE, SIGNAL AND PARKING LIGHTS) HAVE BEEN A PROBLEM.