What is the most common cause for engine failure in Audi 80s?

I have had numerous engine failures in my Audi 80 and I am curious to know if there is one particular issue that is causing it. Any insights?

One of the most common causes of engine failure in Audi 80s is a faulty timing belt. It is important to regularly inspect and replace your timing belt according to the manufacturer's recommended intervals to avoid costly engine repairs.

Another potential cause of engine failure in Audi 80s is oil sludge buildup. It is important to use high quality synthetic oil and regularly change it according to the manufacturer's recommended intervals to prevent buildup and potential engine damage.

Improper maintenance and neglect can also lead to engine failure in Audi 80s. Regularly checking and addressing any warning lights or unusual sounds, as well as following recommended maintenance schedules, can help prevent engine issues.