You may have a failing high. Any help would be appreciated Hey all, got a quote back from a mechanic to do a hpfp job on a 2009 cayenne s
Expert Solutions for Porsche Cayenne Common Problems
The car has some random small.
These issues are pretty tough as i've had the components go in different ways
The regulator, the high pressure pump, and the low. Looking at purchasing a 2009 cayenne s, 150,000 miles, that is showing symptoms of the high. Searching the internet with the symptoms took to me to pages like this of hpfp failures and the service campaign wa29 The problems started with long crank intervals and continued with loss of power, rough running, and eventually going.
Once the engine is off it dissipates the pressure quickly That being said, even when the engine is cold, there will be. It seems like the 4 to 5 bar are is the pressure that the low fuel system is providing so my guess is that the hpfp is. The pump will need to be removed and the lobe inspected to confirm, also i have seen problems with the lift pumps inside the fuel.
In this video we cover needed inspection procedure on porsche v8 high pressure fuel.
Ignoring a failing fuel pump can cause damage to your engine and other components of your porsche’s fuel system Symptoms with expert solutions for porsche cayenne common problems Find a diagnosis to the most common porsche cayenne issues. I'm having the same problems and symptoms with