Is your check engine light on? Before you panic over a massive repair bill, discover the five most common faults triggering ...

No other warning light in modern life behaves quite like this one. A low battery icon tells you exactly what's wrong and exactly how long you have. A smoke detector screams until someone deals with it ...

Passing an emissions test rarely comes down to luck. A vehicle either meets the required standards or it does not, and the difference often lies in preparation rather than age or mileage. Drivers ...

Most people searching for the best OBD2 scanners for home mechanics aren’t trying to become professional technicians. They just want clear answers without paying a shop every time the check-engine ...

DI Fuel System Sensor Configuration: Rail Sensor Input, LPFP/HPFP Setup, and Pressure Monitoring — A user configuring a direct injection (DI) fuel system asked about locating the fuel rail sensor ...

If you’re like most car owners, you probably don’t think much about your car’s oxygen sensors until they are causing a problem. But did you know that a bad oxygen sensor can impact your car’s ...

This final rule is effective on June 17, 2024. The incorporation by reference of certain publications listed in this regulation is approved by the Director of the Federal Register beginning June 17, ...

Any time the engine doesn’t run as it should, the Check Engine Light can illuminate on your car’s dashboard. After using your OBD-II scanner, you might notice the P0138 code and wonder what that means ...

Exhaust leaks go, “WOOOOOOOOO…. You should be up cookin’ breakfast or somethin’, that’s like an alarm clock, WOOOO WOOOOO.” Wait, those are whistle tips, but exhaust leaks can be nearly as loud and a ...

04/30/2020 Final rule. The Safer Affordable Fuel-Efficient (SAFE) Vehicles Rule for Model Years 2021-2026 Passenger Cars and Light Trucks 09/27/2019 Withdrawal of waiver; final rule. The Safer ...

This project turns the Arduino into an OBD2 on-board diagnostic tester. So, the Arduino can read OBD2 vehicle data and it can read and clear emissions-related diagnostic trouble codes and ...

There was a time when many 4WD enthusiasts were afraid of electronic fuel injection (EFI) on engines, preferring the “relative simplicity” of a carbureted engine that could be run in a pinch with ...