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Home >> GMC >> 2016 >> Terrain SL, Gas >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Engine Controls And Fuel - 3.6L (LFX) - DTC P0351 To P2635 And Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> Fuel Injector Solenoid Coil Test >> Component Testing

Component Testing

WARNING: This page is about a different variant/trim than selected.
NOTE:
  • The resistance test must be performed at the fuel injector or mis-diagnosis will occur.
  • The DMM and test leads must be calibrated to 0 Ω in order to prevent mis-diagnosis.
  1. Test for 1.9-2.3 Ω at 20°C (68°F) between the high voltage supply circuit terminal 2 and the high voltage control circuit terminal 1 at the Q17 Fuel Injector.
    • If not within the specified range, replace the Q17 Fuel Injector.
  2. Measure the resistance between each terminal at the Q17 Fuel Injector and the injector housing/case. The DMM should display OL Ω.
    • If less than the specified value, replace the Q17 Fuel Injector.
  3. If the injectors measure OK, perform the Fuel Injector Balance Test. Refer to Fuel Injector Balance Test .
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