While fuel-injector cleaning is often recommended by shops and dealer service centers, it probably isn’t necessary unless it’s correcting a running problem. In many cases, just using a quality ...

The packaging looks nice and the price is usually right, but is this stuff a necessary maintenance ... of the main ...

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 ...

In the ongoing effort to clean up diesel engine emissions, fuel system suppliers are pushing competing fuel injector technologies. Siemens VDO, Robert Bosch GmbH and Magneti Marelli are all ...