Hemi Tick: Lifter Failure or Broken Exhaust Manifold Bolt?

The Hemi tick is usually one of two things: a broken exhaust manifold bolt or a failing lifter. How to tell them apart and why it matters.

Why Your BMW Leaks Oil: Valve Cover, Oil Filter Housing and Oil Pan Gaskets

Most BMW oil leaks come from three gaskets: the valve cover, oil filter housing and oil pan. How to tell which one you have and which can’t wait.

F-150 Cam Phaser Rattle: Symptoms, Causes and Your Options

That cold-start rattle on your F-150 is often the cam phasers. Which engines are affected, the codes to watch for, and why it’s fixed as a timing set.

Mercedes Check Engine Light: The Most Common Causes and What to Do

Check engine light on your Mercedes? The usual causes on the C300, E350 and GLC, why cam magnet leaks matter, and when it’s safe to keep driving.

VW EPC Light: What It Means and Whether It’s Safe to Drive

The EPC light on a VW or Audi means a fault in the throttle and engine power control. Here are the common causes, limp mode, and what to do next.

How to Tell If Your Head Gasket Is Blown

How to tell if your head gasket is blown: overheating, white smoke, milky oil, bubbling coolant and rough running, and what to do next.

5 Common Signs of Engine Trouble You Shouldn’t Ignore

Five common signs of engine trouble: warning lights, unusual noises, smoke, lost power and fluid leaks, and what each one means.