That's where OBD-II scanners come in, giving enthusiasts and everyday drivers a window into their vehicle's diagnostic systems. If you're chasing down the cause of a check-engine light, ensuring peak ...

I’ve picked seven of the best Bluetooth-connected scanners that plug into a car’s OBD2 socket and put them against each other in a mega test of diagnostics. Here are the best Bluetooth OBD2 scanners.

Q:I have a 1996 Corvette that gave me a recurring fault code (P0171 - "System Too Lean, Bank One") for more than a year. The code reader on my scanner indicated that the fuel pump was defective, so I ...

My 2014 Polo has a warning message about the daytime running light. The bulb was faulty and I had it replaced, and it is now working. However the warning messgae is still there. How can I turn it off?

I was recently at a seminar going over some diagnostics for some of the problematic and reoccurring fault codes. The general discussion led us in an interesting direction about the nature of fault ...

My 2014 Polo has a warning message about the daytime running light. The bulb was faulty and I had it replaced, and it is now working. However the warning messgae is still there. How can I turn it off?