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How Drivers Ruin an Engine During a Routine Oil Check: A Common Mistake from Real-World Experience

How Drivers Ruin an Engine During a Routine Oil Check: A Common Mistake from Real-World Experience

What seems like a simple oil-level check can often be the starting point of serious engine trouble.

At What Temperatures 5W-30 and 5W-40 Motor Oils Freeze — and When You Shouldn’t Start the Engine

At What Temperatures 5W-30 and 5W-40 Motor Oils Freeze — and When You Shouldn’t Start the Engine

Cold weather affects your car far more than it may seem at first glance.

Even Many Mechanics Don’t Know This: Is It Safe to Mix Motor Oils?

Even Many Mechanics Don’t Know This: Is It Safe to Mix Motor Oils?

We’re often asked whether it’s safe to mix motor oils of different types and viscosity grades.

Many Americans don’t know which motor oil is meant for which weather

Many Americans don’t know which motor oil is meant for which weather

Once real winter weather arrives, everyday driving suddenly gets tougher. A cold morning start can feel like a gamble.

How to Check Your Engine Oil the Right Way: Secrets Dealers Don’t Tell You

How to Check Your Engine Oil the Right Way: Secrets Dealers Don’t Tell You

It sounds simple—pull out the dipstick, check the level.

Why Motor Oil Breaks Down Faster in City Driving — and Why You Should Change It Twice as Often

Why Motor Oil Breaks Down Faster in City Driving — and Why You Should Change It Twice as Often

Motor oil doesn’t last forever — and it degrades especially quickly when your vehicle is exposed to heavy operating conditions.

How Far Can You Drive When the Oil Light Comes On?

How Far Can You Drive When the Oil Light Comes On?

Every driver knows that heart-stopping moment: a mysterious little oil-can icon lights up on the dash. “It’s just the oil light,” you think. But in reality, it’s an SOS from your engine.

What Happens if You Pour Oil Into an Engine Without Manufacturer's Approval: Examining the Dangers of Counterfeits

What Happens if You Pour Oil Into an Engine Without Manufacturer's Approval: Examining the Dangers of Counterfeits

Oil without approval—cheap and available. But what lies behind the attractive price? And is it worth risking your engine for a few saved coins?