OBD2 scanners such as this one that’s just $30 at Walmart ($120 off), opened up DIY diagnostics to a whole new generation. Meaning, every driver should have one. Not only can it test your ...

“Very easy to use.” Even if you’re not mechanically inclined enough to fix it yourself, the OBD2 scanner at least gives you an idea of how urgent the problem is and how much it should cost ...

The reader will learn how to convert messages to scaled engineering parameters ... A comparison is made of various diagnostic approaches including OBD-II, HD-OBD and World Wide Harmonized (WWH) OBD.

If you’re not sure which OBD2 code reader to buy, this bestselling Cicpap OBD2 scanner is just $15 for Black Friday, down 72% from its original list price. Get it! While high-end scanners can ...

If you buy something via one of our links, we may earn a commission. Plugging a scanner into the OBD2 port under your steering wheel is one of the first steps a mechanic will take to diagnose ...