SC 300 L6-3.0L (2JZ-GE) (1992)
Fuel Injector: Testing and Inspection
Component Test
Checking Operation
Functional Inspection
- With engine running or cranking, listen for injector noise.
- It a stethoscope is not available, place a finger on the injector and feel for operation.
- If no operation is detected, check wiring connectors, injector or injector pulse from ECM.
Checking Injector Resistance
Electrical Inspection
- Disconnect injector electrical connector.
- Connect an ohmmeter across the injector terminals.
Desired - 13.4 to 14.2 ohms
- Replace injector is resistance is not as specified.
Injector Inspection
Operational Inspection
- Remove injectors, refer to COMPONENT REPAIR AND REPLACEMENT PROCEDURES.
- Connect injector to fuel rail with a length of fuel line and suitable adapters.