Is it possible to lose power on a Porsche 928?
Luckily, many of these items are readily available and can get your 928 back up and running normally. This article applies to the Porsche 928 (1979-1995). The Porsche 928, with all of its electronic gadgetry and engine control devices, can experience rough running and loss of power.
Where is the fuse panel on a Porsche 928?
If a fuse blows repeatedly, please contact a qualified specialist workshop. The fuse panel is located below the dashboard.
How does the fuel pump work on a Porsche 928?
Keeping on track with fuel-related issues, the 928 fuel injection systems uses a fuel pressure regulator and fuel dampeners to control fuel flow to the injectors. The regulator and dampeners have a rubber diaphragm in them, with fuel pressure on one side of this diaphragm and vacuum on the other.
What does the TPS do on a Porsche 928?
The 928 utilizes a throttle position switch (TPS) to make fueling and ignition timing adjustment based on throttle input. The TPS has a setting for idle and a setting for wide-open throttle which is only activated at about 3/4 throttle input. The TPS is a very common failure on 928’s and can cause various poor running conditions.
What causes electrical issues in a Porsche 928?
Oxidation and corrosion can cause many electrical issues. There are also a lot of sensors in the 928 which the car relies on to gather signals. Corrosion causes problems with these signals and can lead to a variety of electrical issues as well. It’s a good idea to inspect, clean, and replace these components once a year. Figure 2.
If a fuse blows repeatedly, please contact a qualified specialist workshop. The fuse panel is located below the dashboard.
Keeping on track with fuel-related issues, the 928 fuel injection systems uses a fuel pressure regulator and fuel dampeners to control fuel flow to the injectors. The regulator and dampeners have a rubber diaphragm in them, with fuel pressure on one side of this diaphragm and vacuum on the other.
Do you need routine maintenance on a Porsche 928?
Like any car, the 928 has its own unique quirks. However, these are very reliable cars for their age and type. To avoid costly repairs down the road, routine maintenance is required. We’ll cover both in our guide and help keep you on the road longer and more reliably.