Fiddle around with cars long enough and you’ll realize two things: first, anything beyond the simplest repairs will probably require some kind of specialized tool, and second, those tools can be ...

[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 ...

What would you say if we told you there was a product that could make more power, lower harmful emissions, and increase fuel economy, all at the same time? You would probably call us crazy, and you ...

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 ...