The Shocking Truth About Oil Consumption: Why Checking Your Oil is More Important Than Ever

Chrysler’s New Oil Consumption Guidelines Raise Concerns

In a surprising revelation, Chrysler recently released a document outlining that vehicles with over 50,000 miles may experience “normal” oil consumption rates of 1 quart per 750 miles—and under aggressive driving conditions, that number could jump to 1 quart per 500 miles.

To put that into perspective, if a typical vehicle holds 6 quarts of oil, a driver could theoretically burn through all of it before reaching the next routine 3,000-mile oil change. This means that, without regular monitoring, many vehicles could be running dangerously low on oil—putting their engines at serious risk.

Why Oil Consumption Matters

Oil plays a critical role in protecting an engine, acting as a lubricant that reduces friction between moving parts, helps dissipate heat, and prevents excessive wear and tear. However, if a vehicle is consuming 1 quart of oil per 500-750 miles, it may lead to:

• Low oil levels before the next scheduled oil change – running an engine with insufficient oil can cause serious damage.
• Increased risk of engine overheating – without enough oil, internal engine components generate excessive heat, which can lead to breakdowns or even catastrophic failure.
• Premature engine wear – insufficient lubrication accelerates wear on components such as pistons, camshafts, and bearings.
• Potentially voided warranties – some manufacturers may not cover repairs if they determine the issue was due to improper maintenance or lack of oil.

Despite these risks, many drivers are unaware of how much oil their vehicle is burning because they only focus on routine oil changes rather than regular oil level checks.

Understanding Oil Consumption: What’s “Normal” and What’s Not?

While some oil consumption is expected in all engines due to the combustion process and piston ring design, Chrysler’s guideline raises an important question: when does “normal” become excessive?

Factors That Affect Oil Consumption

Several factors contribute to how much oil a vehicle burns over time:

1. Engine Age and Mileage – Older engines or those with over 50,000 miles may experience increased oil consumption due to worn piston rings and valve seals.
2. Driving Habits – Aggressive driving, such as rapid acceleration, towing, or high-speed highway driving, can increase engine load and oil consumption.
3. Oil Quality and Type – Using low-quality oil or not following the manufacturer’s recommended oil viscosity can lead to higher consumption and possible engine deposits.
4. Oil Leaks – Some engines may consume oil due to small leaks, which can be internal (burning oil) or external (seepage from gaskets or seals).
5. PCV System Malfunctions – A faulty positive crankcase ventilation (PCV) valve can cause excessive oil burning by increasing crankcase pressure and drawing oil into the intake system.

Signs Your Vehicle is Burning Too Much Oil

If you’re unsure whether your vehicle is consuming excessive amounts of oil, watch for these warning signs:

• Oil warning light on the dashboard – Indicates critically low oil levels.
• Blue smoke from the exhaust – A sign that oil is being burned in the combustion chamber.
• Burning oil smell – If oil is leaking onto a hot engine component, it can cause a noticeable burning odor.
• Lower oil levels between changes – If you check your dipstick and see oil levels dropping too quickly, your engine may be consuming more oil than expected.

How Often Should You Check Your Oil?

Given Chrysler’s high oil consumption threshold, drivers should not assume that oil levels will remain sufficient until the next oil change. Instead, experts recommend:

• Checking oil levels at least once a month or every 1,000 miles.
• Adding oil when levels drop below the safe range on the dipstick.
• Watching for leaks or signs of excessive oil burning.
• Using the correct oil type and viscosity as recommended by your vehicle manufacturer.

Preventative Maintenance with RNS Service

Rather than waiting for a dashboard warning light or engine damage, proactive maintenance is the key to protecting your vehicle. At RNS Service, our experienced technicians specialize in comprehensive oil change services and engine diagnostics to ensure your vehicle stays in peak condition.

Why Choose RNS Service?

• Professional Oil Changes – We use high-quality synthetic or conventional oil that meets or exceeds manufacturer standards.
• Thorough Oil Inspections – We check for leaks, worn seals, and excessive oil consumption.
• PCV System Evaluations – Our team inspects your PCV valve to identify potential causes of high oil consumption.
• Preventative Engine Maintenance – We provide diagnostics and repair recommendations to keep your vehicle running efficiently.

Don’t Let Low Oil Levels Ruin Your Engine

With Chrysler’s new guidelines highlighting higher-than-expected oil consumption, now is the time to take control of your vehicle’s maintenance.

👉 Visit RNS Service today for an oil check, professional maintenance, and expert service to keep your engine protected.

Protect your investment—schedule an appointment now!