Parts information for parts withdrawal involving the (976809858) Fuel filler flap module. The vehicles affected are ones that use the part number mentioned.
full bulletin at NHTSA ↗2006 Porsche Cayenne engine problems
moderate 9 complaints filed with NHTSA · avg repair $3,100 · see engine across all vehicles →
Complaints
9
Recalls
0
Avg fix
$3,100
When does it fail?
Of the 9 engine complaints filed for the 2006 Porsche Cayenne, here's the actual mileage breakdown — failures cluster heaviest at 0-25,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What stands out
No new NHTSA engine complaint has been filed on this vehicle in over 10 years — the issue may be aging out of the active population.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering engine on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
Parts information for parts withdrawal involving the transmission oil. Part number 00004321012 is affected - the vehicles that use this part number should be included.
full bulletin at NHTSA ↗Parts information for Parts Withdrawal - Oil Pressure Sender. The vehicles affected are ones that use the part number PAB906060.
full bulletin at NHTSA ↗Parts information for parts withdrawal involving various parts. The vehicles affected are ones that use the part numbers mentioned. Part numbers: 0PD145703E, 0PD145703H, 0PD907123G, 0PD907123K
full bulletin at NHTSA ↗Parts information for parts withdrawal involving the transmission oil. The vehicles affected are ones that use the part number 00004330563
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 5 most recent
2006 Porsche cayenne. Consumer writes in regards to vehicle plastic coolant pipes defect. *smd 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. *jb
2006 Porsche cayenne. Consumer states coolant leak and problem with having the vehicle serviced *tgw the consumer was informed by his mechanic that he needed to take the vehicle to a dealer, because a technical service bulletin had been issued for the problem. The vehicle was taken to the dealer and the problem was confirmed. However, Porsche only offered to cover the cost of the parts. The…
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…
I own a Porsche, cayenne s 2006 model. I was traveling to las vegas, nv from home (garden grove, ca) . All of sudden there was coolant check signal came on so I have exited from freeway and added more coolant. However the coolant check signal wouldn't go off and the temp went up so high that I had to pull over to the side of the road. Make the story short, my whole family spent next 5 hours…
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…
Had engine trouble with your 2006 Porsche Cayenne?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the engine problem on the 2006 Porsche Cayenne?
It's a documented issue but not catastrophic. 9 complaints have been filed. Repairs average $3,100 and most owners catch it before it causes a breakdown.
At what mileage does the engine typically fail?
Based on the 9 complaints filed, engine issues most often appear around 51,985 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to engine?
No active recalls currently cover engine issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2006/Porsche/Cayenne.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.