If your diesel’s check engine light is on and you’ve pulled a P245A code, your EGR cooler bypass control circuit might be the culprit. This system helps control exhaust gas temperatures and emissions, ...

If you own a pre-1996 Ford, knowing how to read OBD1 codes can save you time, money, and frustration. With just a jumper wire or basic tools, you can initiate self-tests and interpret the flashes from ...