2010 MERCEDES-BENZ SPRINTER 2500 Engine Problems

TL* THE CONTACT OWNS A 2010 MERCEDES-BENZ SPRINTER 2500. THE CONTACT STATED THAT THE VEHICLE ABRUPTLY DECELERATED WHILE THE ACCELERATOR PEDAL WAS DEPRESSED. THE FAILURE OCCURRED NUMEROUS TIMES WHILE DRIVING VARIOUS SPEEDS. WHEN THE FAILURE OCCURRED, THE VEHICLE WOULD NOT ACCELERATE PAST 30 MPH. THE CONTACT ALSO STATED THAT THE CHECK ENGINE INDICATOR REMAINED ILLUMINATED AND THERE WAS A WARNING THAT THE DIESEL PUMP PREHEATING SYSTEM WAS MALFUNCTIONING. THE CONTACT PLACED THE GEAR INTO NEUTRAL, AND TURNED OFF AND RESTARTED THE VEHICLE TO BRING THE ENGINE BACK TO NORMAL FUNCTION. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO REPLACED THE DIESEL PUMP, CATALYTIC CONVERTER, AIR COMBUSTIBLE SENSORS, WATER SENSOR FILTER, AND COMPUTER; HOWEVER, THE FAILURE RECURRED. THE MANUFACTURER WAS NOT CONTACTED. THE FAILURE MILEAGE WAS 180,000.