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Engine Controls - 3.9L - Troubleshooting & Diagnosis: Component Locations Chevrolet Uplander I

Testing & Diagnostics

Special Tools Required

J 43244 Relay Puller Pliers

  1. J 34730-1A Fuel Pressure Gage
  2. J 37287 Fuel Line Shut-off Adapter. See «Special Tools»(ref-241687-S04860103302006081100000) .
  1. J 34730-1A Fuel Pressure Gage
  2. J 37287 Fuel Line Shut-Off Adapters. See «Special Tools»(ref-241687-S04860103302006081100000) .
  3. J 39021 Fuel Injector Coil and Balance Tester
  4. J-39021-450 Fuel Injector Harness Adapter. See «Special Tools»(ref-241687-S04860103302006081100000) .

Special Tool

J 44175 Fuel Composition Tester

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