Electronic fuel injection has come a long way in the last 30 years. Early aftermarket systems were complex, slow, and the user had to combine the unique talents of computer software user and ...

An exhaust air fuel ratio sensor (A/F sensor), which is applied to a 1997 model year LEV vehicle was developed. This sensor enables the detection of the exhaust gas air fuel ratio, both lean and rich ...

Oil prices appeared to be headed ever upward 15 years ago, and many in the industry wondered what kind of change that might trigger in vehicle fuels around the world. In Italy, Magneti Marelli's ...

Owners of 2007-09 Honda CR-V models may come into your store with the Check Engine light illuminated and one or more of the following trouble codes stored in PCM memory: P0134, P0135, P0171 and P1157.

Lexus said that some 1999 RX300 models may turn on the check engine light and log trouble code P1133 in the powertrain control module (PCM). If diagnosis doesn't turn up anything out of the ordinary, ...

Direct-port electronic fuel-injection may be the ultimate fuel metering system, but unfortunately it is also by far the most expensive. Presently available systems are based on factory electronic fuel ...

If you've been around the Mustang scene for a while, you've probably heard of Fuel Air Spark Technology (FAST), or at least the aftermarket engine management system from the same company. Several ...

When [Robot Cantina] isn’t busy tweaking the 420cc Big Block engine in their Honda Insight, they’re probably working on some other completely far out automotive atrocity. In the video below the break, ...

Tuning a carburetor to supply an engine with the correct jetting-air/fuel mixture has always been a job that almost impossible for most hot rod owners and tuners. In the past, most performance engine ...

Purdue University engineers have developed a second-generation smart accumulator with oil circulation ratio (OCR) sensing capabilities for heating, ventilation, air conditioning and refrigeration, or ...