Multiport Fuel Injection System or Engine Control System

Description
Observe the precautions to ensure safe and proper servicing. These precautions are not described in each individual section.




Precautions for Multiport Fuel Injection System or Engine Control System
- Before connecting or disconnecting any harness connector for the multiport fuel injection system or ECM:
Turn ignition switch to "OFF" position.
Disconnect negative battery terminal.
Otherwise, there may be damage to ECM.
- Before disconnecting pressurized fuel line from fuel pump to injectors, be sure to release fuel pressure.
- Be careful not to jar components such as ECM and mass air flow sensor.