You searched for Direct Fuel Injection - Page 2 of 44 - UnderhoodService
Direct Injection Logic: How The High-Pressure Fuel Pump Solenoid Works

A direct injection fuel pump can’t increase its speed independent of the engine to increase it’s output or pressure, so it has to control the volume of fuel that is compressed. This relationship is what makes direct injection high-pressure fuel pumps a mystery to some technicians and even engineers. But once you understand the relationship between the pump and control solenoid, your diagnostic skills will grow.

SKYACTIV Technology: Ultra High-Compression, Direct Injection Engines Are Making Fuel-Economy Waves

The secret to Mazda’s fuel economy gains with its SKYACTIV-G engines is in its approach to combustion management. Diesel engines are typically about 30 percent more efficient than gasoline engines partly because of their significantly higher compression ratios (16:1 or higher for diesels versus 9:1 or 10:1 for most gasoline engines). Raising the compression ratio of a gasoline engine also improves its thermal efficiency, power output and fuel economy.

BMW Extended Warranty On S63 Direct Injection High-Pressure Fuel Pumps

BMW has extended the warranty on the high-pressure fuel pump for the 2012 X5 M and X6 M models with the S63 engine. The warranty covers the pump for 10 years or 120,000 miles. BMW is not recalling the pump and no reason was given for the extension of the warranty.

direct-injection-high-pressure-fuel-pump
Valvoline Launches Fuel System Service For Direct-Injection Systems

Valvoline engineers have developed a groundbreaking solution for treating and restoring gasoline direct-injection fuel systems with the EasyGDI Fuel System Service featuring Power Dispersal Technology.

7 Reasons Direct-Injection High-Pressure Fuel Pumps Fail

Don’t be scared by direct fuel injection diagnostics. In theory, these systems operate on the same principles as port fuel injection, but direct injection can inject more precise amounts of fuel into the combustion chamber so the engine can run leaner and more efficient. The key to direct injection is a high-pressure fuel pump. This

direct injectors
Gasoline Direct Injection Technology

Gasoline Direct Injection technology has been a key part of improving fuel economy and reducing emissions since the early 2000s. This video is sponsored by Standard.

Carbon Deposits and Direct Injection Engines

The primary cause of these problems is that fuel and added detergents are not hitting the back of the intake valves.

Today’s Fuel Pressure Diagnostics

Direct injection pressure is measured with sensors, and you’ll need a scan tool to measure the signals

A Closer Look: Gasoline Direct Injection (GDI)

Gasoline direct injection (GDI) is used on most new vehicles and requires a different approach to diagnosis and service. GDI technology has been an integral part of helping to improve fuel economy while reducing emissions, and can be found on more than half of the U.S. fleet. In fact, the use of GDI engines has

Bosch Starts Volume Production of Fuel-Cell Power Module

By 2030, Bosch plans to generate sales of roughly 5 billion euros ($5.6 billion) with hydrogen technology.