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What Are the Common Causes of Excessive Oil Consumption in the Toyota Hilux?

What Are the Common Causes of Excessive Oil Consumption in the Toyota Hilux?

Many Hilux owners report excessive oil consumption. What do you think are the most common causes? Is it due to engine wear, oil type, o r another issue?
Sandeep asked on 11 Feb 2025 14:10:23 pm
1 Answer
17 views |
Car Mechanic Expert - on 11 Feb 2025 14:14:39 pm
Several factors can contribute to excessive oil consumption in the Toyota Hilux, including:

Engine Wear and Tear – Over time, piston rings and valve seals degrade, allowing oil to burn in the combustion chamber.
Oil Type and Viscosity – Using oil that is too thin low viscosity can lead to higher consumption.
PCV Valve Malfunction – A clogged o r faulty Positive Crankcase Ventilation PCV valve can cause excessive oil burning.
Oil Leaks – Leaks from the valve cover gasket, oil pan, o r main seals can lead to noticeable oil loss.
Driving Conditions – Heavy towing, high-speed driving, o r frequent stop-and-go traffic can cause more oil usage.
Incorrect Oil Change Intervals – Extending oil changes beyond the recommended mileage can lead to oil degradation and higher consumption.
 

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