Porsche Cayenne S Problems

No Start or Stalling Due to Failed Fuel Pump on Porsche Cayenne S

Problem Description and Possible Solution

A no start or stalling condition may develop do to a failing fuel pump. A faulty fuel pump will require replacement. Our technicians recommend to inspect internal fuel tank connections for leaks whenever replacing the fuel pump.

(25 people reported this problem)

Porsche Cayenne S Vehicles With This Problem

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Average mileage: 88,573 (6,500–159,000)
5 model years affected: 2003, 2004, 2005, 2006, more2008
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Viewing 1-8 of 8 comments
5/16/15: won't start, got AAA service, jumped, drove home ok.
5/20/15: started, died in seconds, towed to dealer, replaced fuel pumps.
5/22/15: four wheel problem yellow light showed up, called the dealer, told me it's ok, it happened to them often. Might need battery replacement soon.
5/23/15: "four wheel drive system failure" message showed up when started, along with that yellow four wheel signal. Drove to buy something, won't start when coming back. AAA jumped and got home ok. Now afraid to drive it out.
Any suggestions?
Thank you!
any help would be appreciated . Just replaced ALL COIL PACKS and PLUGS, still, after driving fast on freeway or accelerating hard, it starts to run rough and sometimes stalls at a light.
car cut off while I was parked at a light . will start drives to 20mph then loses power and cuts off again .
Car starts but soon stalls out. Took it in to the Porsche dealership. Said it was a the fuel pump. I have owned many cars in my life and never had a fuel pump issue. Would think a Porsche would have a better pump. $1300 in repair cost. Amazing
Hard starting and rpm fluctuations. Replaced battery, no change, replaced fuel filter, no change. Assuming it is the fuel pump after reading all the posts.
No starting after several seconds, getting worst every day. Car under warranty, they told me several problems with gas pumps and Porsche replacing the pumps but ohh surprise no pumps available...!! Already a month waiting for the replacement. Porsche service: same quality Lada Niva gives to their customers in Polond...