
Plug-in Hybrid Electric Vehicles (PHEVs) do require regular oil changes because they have gasoline engines that still need lubrication and engine maintenance, despite the electric motor assisting with some of the driving load. However, the recommended oil change intervals for PHEVs are generally longer than for traditional gasoline vehicles due to reduced engine strain.
Benefits of Changing Oil More Frequently in PHEVs
- Engine Protection and Longevity: Even though the electric motor reduces engine workload, the combustion engine oil still degrades over time and with use. Frequent oil changes ensure that the engine is protected from wear and deposits, maintaining performance and potentially extending engine life.
- Maintaining Engine Efficiency: Fresh oil helps the engine run smoothly and efficiently. Changing oil more often can prevent sludge buildup and maintain optimum lubrication, helping avoid engine inefficiencies or damage.
- Addressing Driving Conditions: Frequent short trips or heavy loads can degrade oil faster. If a PHEV is used mostly for short distances where the engine runs less efficiently, changing oil more frequently may be beneficial to avoid engine damage.
Typical Recommendations and Considerations
- Most PHEV manufacturers recommend oil changes roughly every 10,000 to 15,000 miles, or longer if the gasoline engine is rarely used due to frequent electric driving.
- Many hybrids and PHEVs can use synthetic oil, which generally lasts longer and performs better, allowing for extended intervals between changes.
- The electric motor sharing the workload means that oil degradation occurs slower compared to traditional gas vehicles, so oil changes do not need to be as frequent to maintain engine health.
- It’s important to follow the specific manufacturer’s guidelines, as intervals and oil types vary by model and usage.
In summary, while changing oil more frequently than recommended by the manufacturer in a PHEV can provide extra assurance of engine cleanliness and protection, the inherent design of these vehicles allows for longer oil change intervals compared to conventional cars. Overly frequent oil changes may not yield significant additional benefits and could increase maintenance costs unnecessarily. However, regular oil changes remain essential to maintaining engine health in PHEVs.
Original article by NenPower, If reposted, please credit the source: https://nenpower.com/blog/are-there-any-benefits-to-changing-the-oil-more-frequently-in-phevs/
