FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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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. Fuel Injector Coil Test
- For an intermittent condition, refer to Intermittent Conditions. Intermittent Conditions

TEST

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