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Fuel Injector Circuit Diagnosis
FUEL INJECTOR CIRCUIT DIAGNOSIS
CIRCUIT DESCRIPTION
The control module enables the appropriate fuel injector pulse for each cylinder. Ignition voltage is supplied to the fuel injectors. The control module controls each fuel injector by grounding the control circuit via a solid state device called a driver.
DIAGNOSTIC AIDS
- Performing the Fuel Injector Coil Test may help isolate an intermittent condition. Refer to Fuel Injector Coil Test. Component Tests and General Diagnostics
- For an intermittent condition, refer to Intermittent Conditions. Intermittent Conditions
TEST
Steps 1-14:
Step 15:
