Diagnosing fuel delivery problems has become far easier for DIY mechanics and professionals thanks to compact diagnostic tools designed for modern engines. A quality fuel injector tester is essential ...

[Dino] is an auto mechanic and needed a way to test out fuel injectors. Commercially available tools start well over $100 and go up from there, but he built his own for about $20. The injectors have a ...

Especially when the junkyard is chock full of pocket-sized Toyota injectors, available for free at a reasonable price? Exactly. But how do you know if your junkyard injectors are any good? Sure, you ...