2006 Porsche Cayenne Engine cooling Problems
- Complaints
- 4about this part
- Share
- 10%of 41 total for the year
- Median mileage
- 16,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 4 complaints about the engine cooling of the 2006 Porsche Cayenne, 10% of the 41 complaints for this model year. Where a mileage was given, the median is 16,000 miles.
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.
“Vehicle suddenly loses power ( throttle control as the service rep puts it), usually while traveling at highway speeds. This causes sudden deceleration, creating issues for surrounding traffic. In each case if I floor the accelerator I can maintain approximately 25 MPH to get to a side street, where I arrange for a tow truck. This vehicle has been in the shop three times for a total of a month, during it's first 6 months (14,000 miles) for this condition. Each time the Porsche dealer believes it has been fixed. Intermittent so hard to diagnose.”
NHTSA complaint #10164054, filed 2006-07, 14,000 miles“Vehicle runs inefficiently when cold and smoke has been noted from the exhaust pipe when vehicle is driven. It will turn over, but not catch. Dealership was told by Porsche to use a lower octane fuel (87) to remedy the problem. This contradicts the information in the owner's manual which states only premium unleaded fuel 91 or higher should be used. If the vehicle is taken into a lower altitude area, the fuel should revert to premium. This is a brand new car and it does not start when the engine is turned over, leading me to believe there is a manufacturing defect in the design of the engine. …”
NHTSA complaint #10169478, filed 2006-09, 16,000 miles“The contact owns a 2006 Porsche Cayenne. The contact stated while driving at an undisclosed speed, the vehicle started to overheat. The contact stated that she was able to navigate the vehicle off the road. The contact then stated that the coolant had drained from the vehicle. The coolant warning light was illuminated. The vehicle was taken to the dealer where it was diagnosed that the coolant pipes detached, and the radiator hose needed to be replaced. The contact mentioned that the radiator hose was previously replaced; however, the failure recurred. The vehicle was not repaired. …”
NHTSA complaint #11502395, filed 2023-01, 53,000 miles“2006 Porsche Cayenne. Consumer writes in regards to vehicle plastic coolant pipes defect. The consumer stated the engine had to be torn apart, to replace the plastic coolant tube at a cost of $ 2,625.67. The consumer stated Porsche new about the defect since 2011.”
NHTSA complaint #10806871, filed 2015-10Engine cooling: other model years
Other parts of the 2006 Porsche Cayenne
19 complaintsTransmission and drivetrain
8 complaintsElectrical system
6 complaintsAir bags
4 complaintsEngine
3 complaintsBrakes
2 complaintsExterior lighting
2 complaintsEquipment
1 complaintsOther or unknown
1 complaintsVehicle speed control
1 complaints
← All problems reported for the 2006 Porsche Cayenne
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 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