Is the 1986 Porsche 928S a good car?
My 1986 928S was just brought over from Colorado to Florida. The PPI was good, the seller said it was running great in COLORADO. It starts ok, but after a few minutes it start to idle erratic and almost dies, then it drives like it is pulling a boat. After it stalls, it is very hard to start, but eventually it starts after 5 minutes.
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.
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.
How many horsepower does a Porsche 928 S4 have?
1 Model designation: 928 S4 2 Weight: 1590 kg (3500 lb) 3 Engine displacement: 5.0 L 4 Valves: Four per cylinder 5 Power: 320 PS (316 hp, 236 kW) / 300 PS (296 hp, 221 kW) for Australia. 6 Changes: Different style pistons, cylinder heads, camshafts, intake and larger intake valves compared to earlier 5.0 L engines. …
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.
Is the 1986 Porsche 928S Idles erratic after few minutes?
The PPI was good, the seller said it was running great in COLORADO. It starts ok, but after a few minutes it start to idle erratic and almost dies, then it drives like it is pulling a boat. After it stalls, it is very hard to start, but eventually it starts after 5 minutes. And the cycle continues.
My 1986 928S was just brought over from Colorado to Florida. The PPI was good, the seller said it was running great in COLORADO. It starts ok, but after a few minutes it start to idle erratic and almost dies, then it drives like it is pulling a boat. After it stalls, it is very hard to start, but eventually it starts after 5 minutes.
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.