2008 Porsche Cayenne Fuel system Problems
- Complaints
- 4about this part
- Share
- 15%of 27 total for the year
- Median mileage
- 110,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 4 complaints about the fuel system of the 2008 Porsche Cayenne, 15% of the 27 complaints for this model year. Where a mileage was given, the median is 110,000 miles. 1 recall campaign on record is filed under a similar system.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“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.”
NHTSA complaint #11004687, filed 2017-07, 71,000 miles“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. …”
NHTSA complaint #11384227, filed 2020-12, 119,000 miles“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.”
NHTSA complaint #11365216, filed 2020-10, 128,800 miles“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.”
NHTSA complaint #11452597, filed 2022-02, 101,000 milesRelated recalls
- 08V076000Feb 20, 2008Porsche is recalling 5,573 my 2008 cayenne v6 vehicles. A fuel line in the plenum panel area may contact the rear engine compartment cover. Relative movements…Covers: Porsche Cayenne 2008
Related service bulletins
- 11033625May 22, 2026Parts information for parts withdrawal involving 9J1827447B, PAA971221B, and 95B201060AA. The lock, the fuel tank attachments, and the module connector. The vehicles affected are…
- 11029194Feb 23, 2026Parts information for parts withdrawal involving the fuel filler flap and the charge cable for mains socket. Part numbers 976809857E and 7PP971678GS
- 11029155Feb 13, 2026Parts information for parts withdrawal involving the multi-purpose additive for gasoline. Part number is 00004320902. The vehicles affected are ones that use part number mentioned.
- 11028582Jan 30, 2026Parts information for parts withdrawal involving the - Diagnosis Pump for Fuel System 958906243B and 958906243A. Vehicles affected are ones that use either of the part numbers…
- 11015155Mar 1, 2025Manufacturer's Certificate - Overview of Approved Porsche C30 Engine Oils (05/25)
Fuel system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2025 | 1 | 20% |
| 2024 | 1 | 20% |
| 2021 | 1 | 5% |
| 2020 | 1 | 4% |
| 2018 | 2 | 15% |
| 2017 | 3 | 17% |
| 2016 | 5 | 13% |
| 2015 | 2 | 14% |
| 2014 | 7 | 13% |
| 2013 | 5 | 13% |
| 2012 | 1 | 4% |
| 2009 | 4 | 27% |
| 2008 | 4 | 15% |
| 2006 | 19 | 46% |
| 2005 | 16 | 50% |
| 2004 | 9 | 24% |
Other parts of the 2008 Porsche Cayenne
7 complaintsEngine
6 complaintsTransmission and drivetrain
6 complaintsVisibility (wipers, defrost, mirrors)
3 complaintsExterior lighting
2 complaintsSuspension
2 complaintsTires
2 complaintsBrakes
1 complaintsElectronic stability control
1 complaintsOther or unknown
1 complaintsSeats
1 complaintsSteering
1 complaints
← All problems reported for the 2008 Porsche Cayenne
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology