2017 Porsche Cayenne FUEL/PROPULSION SYSTEM

OVERNIGHT FUEL PRESSURE LOSS RESULTS IN EXTENDED CRANK CYCLE. DESPITE 6 SERVICE VISITS BETWEEN TWO CHICAGOLAND AREA PORSCHE DEALERSHIPS, THE VEHICLE HAS NOT BEEN SATISFACTORILY REPAIRED. FUEL PRESSURE LOSS WAS CONFIRMED ON MULTIPLE OCCASIONS BY THE SEMERSKY'S PORSCHE EXCHANGE IN HIGHLAND PARK, ILLINOIS. FUEL PUMPS WERE APPARENTLY REPLACED, THE LAST TIME DAMAGING THE SEAT CLIPS UNDER THE SECOND ROW BENCH SEAT. FUEL PRESSURE LOSS HAS SLOWED, BUT STILL OCCURS WHEN FUEL TANK IS MORE THAN 3/4 EMPTY. THIS VEHICLE IS COVERED BY MANUFACTURER WARRANTY AND THE PROBLEM BECAME APPARENT AT 24K MILES.