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Home >> Pontiac >> 2010 >> G6 Base, 2D Coupe >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 2.4L - DTC P0351 To DTC P2544 >> DTC P0442 >> Circuit/System Testing
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Circuit/System Testing

NOTE:
  • Refer to the J 41413-200  operation manual for detailed instructions in Evaporative Emission System Diagnosis . See Special Tools .
  • Larger volume fuel tanks and/or those with lower fuel levels may require several minutes for the floating indicator to stabilize.
  • Ensure that the underbody temperature of the vehicle and the tester are similar.
  1. Disconnect the purge tube at the quick connector on the EVAP canister side of the purge solenoid valve and install the CH-48096  . Connect the J 41413-200  to the vehicle at the EVAP service port adapter. See Special Tools .
  2. Using a scan tool, close the EVAP canister vent valve to seal the EVAP system.
  3. Use the flow meter on the J 41413-200  , calibrated to 0.51 mm (0.020 in) to determine that there is no leak in the EVAP system. See Special Tools .
    • If a leak is detected, use the J 41413-200  to apply smoke to the EVAP system at the service port or the purge tube until the leak is located using the J 41413-SPT  . See Special Tools .
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