Your engine is letting oil get into places it shouldn't be, but only a bit at a time, which might make your exhaust look gray instead of blue. Gray smoke can also flag issues with how your car ...

The AA has explained the most common reasons for white or blue smoke coming from a car exhaust, and advice on what to do if it happens. While white smoke coming from your exhaust could be due to ...

Here's how to "read" tailpipe smoke signals to help you determine whether they're the byproduct of a harmless atmospheric phenomenon or the first sign of a major mechanical failure. Thick blue or ...