What causes a bad start on a Porsche 928?

What causes a bad start on a Porsche 928?

Intermittent hard starts, rough idle, poor performance, and bad gauge readings are all signs of bad ground points. Make sure the battery terminals are clean as well as the ground straps. 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.

When to replace fuse box on 1977 Porsche 928?

The fuse box on a 1977 Porsche 928. Timing belts and water pumps on the Porsche 928 are good for around 50,000 miles but should be replaced no later than that point. Failure of the timing belt can cause serious engine damage on post-1985 models, and some have reported failure in as few as 15,000 miles.

When to replace timing belt on Porsche 928?

If all else fails in an attempt to start your 928, check for timing belt failure. The factory-recommended replacement of the timing belt is 60,000 miles or every four years. This important belt can often go unserviced and has the potential to fail. If the timing belt breaks, the camshafts will not turn]

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.

Intermittent hard starts, rough idle, poor performance, and bad gauge readings are all signs of bad ground points. Make sure the battery terminals are clean as well as the ground straps. 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.

What should battery voltage be on Porsche 928?

With the key in the “ON” position, you can read the battery voltage on the dash instrument cluster. A normal reading for a healthy battery should show just about 12 volts on the gauge. Anything less than 12 volts indicates the battery voltage is low, and the red light warning light on the voltage gauge will illuminate.

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.

If all else fails in an attempt to start your 928, check for timing belt failure. The factory-recommended replacement of the timing belt is 60,000 miles or every four years. This important belt can often go unserviced and has the potential to fail. If the timing belt breaks, the camshafts will not turn]

With the key in the “ON” position, you can read the battery voltage on the dash instrument cluster. A normal reading for a healthy battery should show just about 12 volts on the gauge. Anything less than 12 volts indicates the battery voltage is low, and the red light warning light on the voltage gauge will illuminate.

Post-1985 cars have 32 valve inference engines, and the engine valves themselves will bend if a timing belt slips or breaks, hence the warning light. Even if you don’t drive the car that much, replacing the belt every five to seven years is a good idea as they dry up with age.

Post-1985 cars have 32 valve inference engines, and the engine valves themselves will bend if a timing belt slips or breaks, hence the warning light. Even if you don’t drive the car that much, replacing the belt every five to seven years is a good idea as they dry up with age.

Where are the ground wires on a Porsche 928?

One is at the top of the “O” in the word Porsche cast into the cam cover — and it may be covered-up by the emissions air injection valve/hose. The second attachment point on the cam cover is more visible and is closer to front of car. Point 10 For later Euro cars, look for ground wires attached to the back of cam gear metal rear covers.

What does belt tension warning light on Porsche 928 mean?

Whether you receive a belt tension warning light or not, be sure and check tension regularly and retension the belt to proper specs when needed. Post-1985 cars have 32 valve inference engines, and the engine valves themselves will bend if a timing belt slips or breaks, hence the warning light.

What are the most common issues with a Porsche 928?

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. One of the most common issues Porsche 928 owners report is failure of the engine thrust bearing in automatic transmission equipped cars.

The fuse box on a 1977 Porsche 928. Timing belts and water pumps on the Porsche 928 are good for around 50,000 miles but should be replaced no later than that point. Failure of the timing belt can cause serious engine damage on post-1985 models, and some have reported failure in as few as 15,000 miles.