There are 6 owner-reported fuel system complaints for the 2008 Porsche Cayennein NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
The contact owns a 2008 Porsche Cayenne GTS. The contact stated there was a delay when starting the vehicle however, immediately afterward there was an abnormal fuel odor entering the cabin of the vehicle. The check engine warning light was illuminated. The contact stated that the failure was related to NHTSA Campaign Number: 17V576000 (Fuel System, Gasoline). The contact was able to confirm the Part Number: (955/620/931/01/M82) for the in-tank fuel pump, and Part Number: 95562093201M2 fuel pump parts matched the part number for the parts installed in the vehicle. The vehicle was not taken to the dealer. The vehicle was not repaired. The manufacturer was not made aware of the failure. The approximate failure mileage was 190,000.
The contact owns a 2008 Porsche Cayenne. The contact stated while driving at various speeds, he smelled a strong gasoline odor inside the vehicle. The contact stated that others had also informed him that the vehicle had a strong gasoline odor. The contact stated that the gasoline odor was coming from the rear passenger's side and rear driver's side seats. The dealer was notified of the failure. The manufacturer was notified of the failure via email. The vehicle was not diagnosed or repaired. The failure mileage was approximately 101,000.
THERE IS A STRONG ODOR OF FUEL COMING FROM THE DRIVER'S REAR WHEEL WELL. A RECALL EXISTS FOR 03-06 MODELS, BUT MY 08 IS SUFFERING THE FROM THE SAME ISSUE.
ENGINE HAS CUTOFF ON 3 OCCURRENCES: (1) OPERATING THE VEHICLE ON THE FREEWAY AT 70 MPH AND EXPERIENCED IMMEDIATE LOSS OF POWER. I WAS ABLE TO MANUEVER THE VEHICLE TO THE SHOULDER WHILE COASTING WITHOUT ENGINE POWER. I WAS ABLE TO START THE ENGINE BUT IT CUTOFF A FEW SECONDS AFTER. THE VEHICLE HAD TO BE TOWED TO AN INDEPENDENT PORSCHE REPAIR SHOP WHERE THE HIGH PRESSURE FUEL PUMP WAS REPLACED. (2) THE ENGINE CUTOFF WHILE OPERATING ON CITY STREET AT 40 MPH. I WAS ABLE TO MANUEVER THE VEHICLE WHILE COASTING WITHOUT POWER OR POWER STEERING INTO A PARKING LOT. THE ENGINE WOULD START BUT CUTOFF A FEW SECONDS LATER ON MULTIPLE ATTEMPTS. THE VEHICLE HAS TO BE TOWED TO THE SAME INDEPENDENT PORSCHE REPAIR SHOP WHERE THE HIGH PRESSURE FUEL SENSOR WAS REPLACED. THIS OCCURRENCE WAS THE FIRST TIME OPERATING THE VEHICLE AFTER RETURNING HOME FROM THE HIGH PRESSURE FUEL PUMP REPLACEMENT SERVICE. (3) OPERATING THE VEHICLE WHILE STOPPED AT AN INTERSECTION AT A RED LIGHT. WHEN ATTEMPTING TO ACCELERATE THE ENGINE CUTOFF AND I WAS STALLED FOR ABOUT 1 MINUTE BLOCKING TRAFFIC. I WAS ABLE TO RESTART THE ENGINE AFTER A FEW ATTEMPTS AND DRIVE THE VEHICLE THE REMAINING 2 MILES HOME WITHOUT INCIDENT. ALL 3 OCCURENCES INVOLVED ABRUPT ENGINE CUTOFF AND LOSS OF POWER STEERING. THE PORSCHE INDEPENDENT REPAIR SHOP IS UNABLE TO PINPOINT THE ISSUE. THE RISK EXPOSURE TO ACCIDENT IS HIGH WHEN ENGINE CUTOFF OCCURS WHILE THE VEHICLE IS IN MOTION.
I PURCHASED A 2008 PORSCHE CAYENNE ON 3/14/18. HERE WE ARE 3 MONTHS LATER AND I NOTICED A STRONG GAS SMELL COMING FROM THE DRIVER REAR TIRE. I USED GOOGLE TO DIAGNOSE MY CONCERNS AND FOUND THIS: SEPTEMBER 25, 2017 ' PORSCHE IS RECALLING MORE THAN 50,000 CAYENNE SUVS BECAUSE THE FUEL PUMP FILTER FLANGES COULD LEAK GAS AND AT THE LEAST CREATE AN ODOR OF FUEL, AND AT THE MOST CREATE A FIRE HAZARD IF FUEL HITS A HOT IGNITION SOURCE. THE RECALLED GAS-POWERED VEHICLES INCLUDE THE 2003-2006 CAYENNE S AND CAYENNE TURBO, 2004-2006 CAYENNE AND 2006 CAYENNE S "TITANIUM" EDITION VEHICLES. SO, I TOOK MY CAR TO GET DIAGNOSED AT DEAN MCREARY PORSCHE IN MOBILE, AL AND WAS ADVISED THAT I HAVE A FLANGE AND SEALING RING LEAK AND THAT IT WOULD BE 1124.00 TO REPAIR. I AM HAVING THE SAME PROBLEMS DESCRIBED IN THIS RECALL. THIS IS A HAZARD. SOMEONE COULD DIE. I THEN CALLED PORSCHE NORTH AMERICAN AND THEY INFORMED ME THAT THE RECALL IS VIN SPECIFIC AND I DO NOT QUALIFY. THIS MAKES NO SENSE AND THEY SHOULD BE HELD RESPONSIBLE FOR REPAIRS. PORSCHE IS CONSTANTLY MAKING CARS THAT ARE UNSAFE AND WHEN A PROBLEMS OCCURS, THEY DO NOT WANT TO FIX IT.
THE HIGH PRESSURE FUEL PUMP, CAR DROVE WITH VERY LITTLE ABILITY TO SPEED UP. IT SPUTTERS WHEN TRYING TO ACCELERATE. IT WON'T START RIGHT AWAY, BUILDING UP FUEL PRESSURE. I WAS DRIVING AND IT JUST BECAME UNRESPONSIVE TO THE GAS PEDDLE. I SLOWED AND STOPPED, RESTARTED AND JUST HAD A VERY WEAK CAR. IT TAKES SOME TIME TO REACH 50MPH. DANGEROUS IF ON THE HWY.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026