Understanding and Addressing the Mitsubishi Eclipse Cross SEL Limited Engine Oil Consumption Issue
The Mitsubishi Eclipse Cross SEL Limited is a stylish and versatile compact SUV that has gained popularity for its blend of performance and practicality. However, some owners of models manufactured between 2018 and 2021 have reported a concerning issue: excessive engine oil consumption. This problem can lead to reduced engine performance, increased maintenance costs, and even long-term engine damage if left unaddressed. In this blog post, we’ll break down the causes of this issue, its impact on your vehicle, and provide actionable tips to help you manage or prevent it.
What Is the Engine Oil Consumption Issue?
The Mitsubishi Eclipse Cross SEL Limited, particularly models equipped with the 1.5L turbocharged MIVEC engine, has been reported to consume engine oil at a higher-than-normal rate. Owners have noted the need to frequently top up oil between scheduled service intervals, which can be both inconvenient and costly. This issue is more prevalent in vehicles with higher mileage (over 30,000 miles) but can also affect newer models.
What Causes Excessive Oil Consumption?
Understanding the root causes of this issue is the first step toward addressing it. Based on industry reports and consumer feedback, here are the primary factors contributing to excessive oil consumption in the Mitsubishi Eclipse Cross SEL Limited:
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Piston Ring Design Flaws:
The piston rings in some engines may not seal properly, allowing oil to leak into the combustion chamber. This results in oil being burned along with fuel, leading to higher oil consumption. -
Valve Seal Wear:
Premature wear of valve seals can cause oil to seep into the engine cylinders. Over time, this contributes to oil loss and can affect engine performance. -
PCV System Malfunction:
The Positive Crankcase Ventilation (PCV) system is designed to regulate pressure within the engine. If the PCV valve fails, excessive oil vapor can be drawn into the intake system, increasing oil consumption. -
Engine Tuning and Calibration:
Suboptimal engine tuning can lead to higher operating temperatures, which accelerate oil breakdown and consumption.
How Does This Issue Affect Your Vehicle?
Excessive oil consumption isn’t just an inconvenience—it can have serious implications for your vehicle’s performance and longevity. Here’s what you need to know:
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Reduced Engine Efficiency:
Burning oil can lead to reduced engine efficiency, increased emissions, and potential damage to the catalytic converter. -
Increased Maintenance Costs:
Frequent oil top-ups and potential engine repairs can add up, making ownership more expensive than anticipated. -
Risk of Engine Damage:
Prolonged oil consumption can result in insufficient lubrication, overheating, and even engine failure if not addressed promptly.
What Can You Do to Prevent or Mitigate the Issue?
While the oil consumption issue can be concerning, there are several steps you can take to manage or prevent it:
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Regular Oil Level Checks:
Make it a habit to check your engine oil level frequently, especially if you notice any warning signs like the oil pressure light or unusual engine noises. Top up the oil as needed to maintain proper levels. -
Use High-Quality Engine Oil:
Synthetic oils with higher viscosity ratings are better suited to withstand high temperatures and reduce oil consumption. Consult your owner’s manual or a trusted mechanic for recommendations. -
Inspect and Maintain the PCV System:
Regularly inspect the PCV valve and replace it if necessary. A functioning PCV system is crucial for preventing excessive oil vapor from entering the intake system. -
Check for Software Updates:
Mitsubishi has released software updates to address engine tuning and calibration issues. Visit your local dealership to ensure your vehicle’s software is up to date. -
Consider Piston Ring Replacement:
In severe cases, replacing the piston rings with improved designs may be necessary to resolve the issue. Consult a professional mechanic to determine if this is the right solution for your vehicle.
What Are Owners Saying?
Owners of affected Mitsubishi Eclipse Cross SEL Limited models have shared their experiences:
- Many report needing to top up oil every 1,000 to 2,000 miles, which is far more frequent than expected.
- Some have noticed decreased fuel efficiency and engine performance over time.
- Concerns about long-term reliability and resale value have been raised, particularly among those planning to keep their vehicles for several years.
Final Thoughts
The engine oil consumption issue in the Mitsubishi Eclipse Cross SEL Limited is a significant concern, but it’s not insurmountable. By staying proactive with regular maintenance, using high-quality oil, and addressing potential root causes like PCV system malfunctions or piston ring flaws, you can mitigate the problem and ensure your vehicle remains reliable for years to come.
If you’re experiencing symptoms of excessive oil consumption, don’t wait—consult a trusted mechanic or your local Mitsubishi dealership to explore your options. Taking action now can save you time, money, and stress down the road.
By understanding the issue and following these tips, you can keep your Mitsubishi Eclipse Cross SEL Limited running smoothly and enjoy the driving experience it was designed to deliver. Safe travels!