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Home >> Chevrolet >> 2012 >> Cruze Eco, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 127 (Engine Controls And Fuel - 2.2L - Troubleshooting And Diagnosis) >> Evaporative Emission System Diagnosis >> Operating Instructions for the Evaporative Emission System Tester (EEST) >> Vehicle Setup

Vehicle Setup

WARNING: This page is about a different car, the 2010 Pontiac G5 and 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
    NOTE: A large difference between the vehicle temperature and shop temperature will seriously affect the accuracy of the tests. Always allow enough time, at least 15 minutes, for the vehicle temperature to adjust to the shop temperature. Refer toTemperature Variation Instructions  for more information about vehicle versus shop temperatures.
  1. Engine OFF, open the hood. Position a large fan to blow air under the vehicle onto the fuel tank area.
  2. Connect the red battery clip from the tester to the positive battery terminal.
    3. NOTE: The vehicle battery must be fully charged for optimum tester performance.
  3. Connect the black battery clip from the tester to chassis ground.
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