When your car's oil has just been changed, it should be at its best, right? So why is it that sometimes after an oil change, the check enging light comes on?

Have you been putting off dealing with your car’s check engine light? Many believe this signal is little more than a small inconvenience, but ignoring it could lead to serious problems down the road.

By all means, the issues should have stopped once the faulty parts have been replaced, but no. Just 10 km (6 miles) from the ...