2005 Porsche Cayenne Engine cooling Problems

“1) the visit workshop light appeared on my new 2005 Porsche 911 carrera s. 2) on november 30, 2004 the vehicle was running fine with the workshop light on. The vehicle then suddenly lost engine power at 65 MPH durring acceleration on the nj turnpike. The loss of engine power caused several tractor-trailers to nearly colide with my vehicle, and with others, while I proceeded twords the sholder area. The vehicle was then able to run enough on the sholder at 15 to 30 MPH to a safe exit off the turnpike. …”

“Vehicle hesitation - three occasions - first while trying to cross a divided highway...car hesitated, left me in the east bound lane , oncoming car just missed my wife and I; second while crossing a two land highway - car hesitated while I was in west bound lane, attempting to head east bound .. No accident; third time in drive way. Took car to dealer after first incident - nothing showed on car computer so nothing was done; after second and third incident I took car to dealer and is now replacing the six coils (?) after my very concerned complaint. Car is still with dealer. …”

“While driving at approximately 70 MPH, the engine failed. The owner contacted the dealership, and had the vehicle towed to the dealership. The owner was told that there was a crack in the engine. The owner also contacted the manufacturer, but was unsuccessful in getting any assistance.”

“The contact owns a 2005 Porsche Cayenne. The contact stated while driving at low and high speeds the vehicle lunged forward. He also heard a loud noise in the engine. The vehicle was inspected by a dealer who advised him that the ignition coil and cylinder number 5 needed to be replaced. The ignition coil was repaired; however, immediately after leaving the dealer the failure recurred. The dealer was contacted and advised him to bring the vehicle back. The failure mileage was approximately 66,000. The VIN was unavailable.”

“The contact owns a 2005 Porsche Cayenne. The contact stated that the engine light was illuminated then the vehicle started to lunge forward when the contact tried to accelerate, and it became difficult to shift gears. The vehicle was inspected by a dealer who advised him that there was a misfire on the engine and one of its components needed to be replaced. The vehicle was not repaired. The manufacturer was contacted and they are currently waiting for a response. The failure mileage was approximately 47,000. Updated 05/04/11 updated 05/11/11”