Engine

Unusual car sounds are communication from your vehicle. Here is what the most common ones mean.

A breakdown 500 miles from home is more expensive and stressful than a pre-trip inspection.

Fuel economy depends on vehicle condition and driving behavior. Here is what genuinely makes a difference.

Transmission fluid degrades over time and neglecting it causes the most expensive drivetrain failure available.

Professional detailing costs $150 to $400. Here is how to achieve the same results with $50 in supplies.

Spark plug replacement costs $150 to $400 at a shop. Here is how to do most vehicles yourself.

An OBD2 scanner costs $25 and tells you exactly what your check engine light is for.

An engine air filter costs $15 and takes five minutes to replace. Here is how.