Computers and Control Systems: Description and Operation

WARNING: DO NOT SMOKE, CARRY LIGHTED TOBACCO OR OPEN FLAME OF ANY TYPE WHEN WORKING ON OR NEAR ANY FUEL-RELATED COMPONENT. HIGHLY FLAMMABLE MIXTURES ARE ALWAYS PRESENT AND MAY BE IGNITED, RESULTING IN POSSIBLE PERSONAL INJURY.

The Sequential multiport Fuel Injection (SFI) system is classified as a multi-point, pulse time, mass air flow, fuel injection system.

To maintain the required exhaust emission levels, the fuel metering system must be kept in good operating condition and adjusted to specifications.

Always refer to the Master Parts List Catalog for parts usage and interchangeability before replacing a throttle body or a component part of a throttle body.