In 1976, Chrysler ushered in the computer engine management system era with their Electronic Lean Burn 400 4-bbl. This early computerized spark-advance control system was developed to make the engine ...

OBD-II diagnostic device BlueDriver interprets engine error codes to suggest what might need fixing, and lets you know if your car is ready for a smog check. Wayne ...

We earn commissions from purchases you make using links in our articles. Learn more. If your car or truck’s check engine light is on, there’s a stumble when accelerating, or if the transmission just ...

Ever since OBDII vehicles became the norm, anyone interested in repairing them must have a scan tool at hand. Some people refer to those devices as scan tools, diagnostic machines, or OBD dongles. In ...

This article was updated in November 2025 with new information. You know you’ve earned your DIY stripes when you can stay calm the moment something goes wrong. And with cars, that moment usually ...

It’s no secret that, in the car repair business, the best Bluetooth ODB2 app is costly. They can very quickly get expensive when you start purchasing professional equipment that can go through every ...

The automotive industry has a huge variety of OBD2 scanners that come in a wide range of price tags starting from less than $100 and going up as high as $10,000. This glut of options is probably the ...

The check engine light is both a friend and foe. For those who take their cars to the shop for repairs, it’s a symbol of impending treachery and rising credit card bills. But to those who shoulder the ...