But a word of wisdom if you’re going in for a smog test. Richardson said make sure you’re not running fuel-system cleaner at ...

CNET’s expert staff reviews and rates dozens of new products and services each month, building on more than a quarter century of expertise. Fuel injector cleaner serves an important function in ...

If that happens, it might be time to treat your engine’s fuel system to a cleaning with the best fuel injector cleaner you ...