2012 NEWMAR ALL STAR Engine Problems

THE SCR/DPF/DEF EMISSIONS CONTROL SYSTEM IS FAULTY AND RESULTS IN THE VEHICLE BECOMING UNDERIVABLE AT UNPREDICTABLE INSTANCES WHEN NO ACTUAL FAULT OR DEFICIENCY EXISTS. THIS MAY RESULT IN THE DRIVER BECOMING STRANDED IN AREA WITH NO CELL PHONE SIGNAL AND DURING TIMES OF HARSH WEATHER. IT MAY ALSO LEAVE MOTORISTS STRANDED IN UNSAFE LOCATIONS WITH INSUFFICIENT ROOM TO PARK SAFELY AND NO CAPABILITY TO MOVE TO A SAFE LOCATION. THIS IS A RESULT OF THE SYSTEM 'DE-RATING' DUE TO FAULTY SENSORS OR DEF DELIVERY SYSTEMS OR A VARIETY OF OTHER CAUSES. BECAUSE THE SYSTEM WILL DERATE THE ENGINE WHEN THE SENSORS INDICATE A LOW DEF CONDITION WHEN THE DEF TANK IS SUFFICIENTLY FULL, IT IS IMPOSSIBLE FOR THE MOTORISTS TO PREDICT THESE FAILURES AND SUBSEQUENT STRANDINGS. IT IS ALSO WORTHY OF NOTE THAT IN THE CASE OF DIESEL MOTORHOMES, THESE ARE NOT PROFESSIONAL DRIVERS, THEY AR OFTEN OLDER, AND THEIR...