Add Yahoo as a preferred source to see more of our stories on Google. Q: In my vehicle, the check engine light comes on and then goes off and it is now back on. I had a test done at local auto-parts ...

As combustion of fuel and air exits the engine’s exhaust system, the quality of the gas is immediately analyzed and relayed to the engine control unit (ECU) via a Lambda sensor, commonly known as the ...

Modern vehicles are equipped with advanced diagnostic systems designed to alert drivers to potential issues before they become serious problems. For Mitsubishi owners, understanding these diagnostics ...