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Home >> Chevrolet >> 2012 >> Cruze Eco, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 141 (Engine Controls And Fuel - 2.0L - DTC P0700 To DTC P2544) >> DTC P2300, P2301, P2303, P2304, P2306, P2307, P2309, or P2310 >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn ON the ignition, with the engine OFF.
  2. Test the affected IC circuit for a short to ground or for a short to voltage.
    • If a fault is found, repair the circuit as needed.
  3. Ignition OFF, exchange the affected ignition coil/module with the ignition/coil module of a good cylinder.
  4. Start the engine and observe the scan tool.
    • If the DTC or the misfire transfers with the suspect ignition/coil module, replace as needed.
    • If the DTC or the misfire does not transfer with the suspect ignition/coil module, replace the ECM.
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