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Home >> Pontiac >> 2009 >> Vibe Base, 2.4 0, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Engine Control System & Fuel System - 1.8L (Lay) - Troubleshooting & Diagnosis) >> Fuel Injector Circuit Diagnosis >> Component Testing

Component Testing

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  1. Ignition OFF, disconnect the harness connector at the appropriate fuel injector.
    2. IMPORTANT: The engine coolant temperature (ECT) sensor must be between 10-32°C (50-90°F) in order for an accurate measurement.
  2. Test for 13.4-14.4 ohms between the ignition 1 voltage terminal 1 and the control terminal 2.
    • If not within the specified range, replace the fuel injector.
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