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Automotive glossary

Borescope (Inspection Camera)

A borescope is a thin camera on a flexible cable used to look inside engines and hidden spaces without taking them apart.

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What is Borescope (Inspection Camera)?

It can inspect cylinders through the spark plug or injector hole. It is also used in chassis cavities and behind panels. Some connect to a phone to show and record the image. Borescopes are also useful when checking a used car for hidden rust inside sills.

How it works

A small camera with LEDs at the tip sends live images to a screen.

Why it matters for your car

Do not crank the engine with the camera inside a cylinder. Images can be hard to interpret; compare with known good cylinders.

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