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Home >> Chevrolet >> 2011 >> Volt >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 1.4L (LUU) - DTC P0335 Through DTC P1255/P064A >> DTC P0442 or P0455 >> Circuit/System Testing

Circuit/System Testing

NOTE:
  • Refer to the EN 41413-C:  Evaporative Emissions System Tester operation manual for detailed instructions in Evaporative Emission Control System Description .
  • Larger volume fuel tanks and/or those with lower fuel levels may require several minutes for the floating indicator to stabilize.
  • Refer to the EN 41413-200:  Evaporative Emissions System Tester operation manual for detailed instructions, see Alcohol/Contaminants in Fuel Diagnosis in the Evaporative Emissions System Tester operation manual.
  1. Disconnect the purge tube at the quick connector on the evaporative emission canister side of the Q12 evaporative emission canister purge solenoid valve and install the CH 48096:  Port Tool.
  2. Connect the EN 41413-200:  Evaporative Emissions System Tester to the CH 48096:  Port Tool.
  3. Use the flow meter on the EN 41413-200:  Evaporative Emissions System Tester, calibrated to 0.51 mm (0.020 in) to determine if there is a leak in the evaporative emission system.
    • If a leak is detected, use the EN 41413-200:  Evaporative Emissions System Tester to apply smoke to the evaporative emission system at the purge tube until the leak is located using the EN 41413-SPT:  White Light.
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