In fact, a well-maintained diesel engine can be on the road for 30 years or more. According to Capital Reman Exchange, diesel engines are more reliable due to three main reasons: The overall design of a diesel engine The fuel a diesel engine uses The application in which diesel engines are widely used The design of a diesel engine is gear-driven.Apr 28, 2017. #10. A tune will put more stress on the motor, but it also depends how you drive. I would say 50% of those who are tuned whether it be flash or piggy back, drive normally 80% of the time and hard the other 20%. When you're driving normally, the tune isn't impacting anything.
A diesel particulate filter on a poorly serviced car may fail sooner than a well maintained one, generally, they should last for at least 100,000 miles. It’s important you use the right type of oil as well – some oils contain additives that can actually block filters.