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Home >> Chevrolet >> 2012 >> Orlando LS, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls/Fuel - 2.4L - Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC P219A >> Circuit/System Testing
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Circuit/System Testing

  1. Read and record the Freeze Frame/Failure Records data taking note of the speed and load at which the DTC set.
  2. Diagnose any other DTCs that are set. Refer to Diagnostic Trouble Code (DTC) List - Vehicle .
  3. With the engine idling and the transmission in the Park or Neutral position, observe the manifold absolute pressure (MAP) sensor parameter. The MAP sensor parameter should be between 20-48 kPa.
    • If the MAP sensor parameter is not between 20-48 kPa, refer to DTC P0106 .
  4. Inspect the air induction system for modified, damaged, leaking, or restricted components.
  5. Inspect the crankcase ventilation system for improper operation. Refer to Crankcase Ventilation System Inspection/Diagnosis (Without Turbocharger) .
  6. Inspect the vacuum hoses for splits, kinks, and improper connections.
  7. Test for a restricted, damaged, leaking, or modified exhaust system from the catalytic converter forward. Refer to Symptoms - Engine Exhaust .
  8. Test the fuel injectors for improper operation. Refer to Fuel Injector Solenoid Coil Test .
  9. Test for fuel contamination. Refer to Alcohol/Contaminants-in-Fuel Diagnosis .
  10. Test for excessive fuel in the crankcase due to leaking injectors. Change engine oil as necessary.
  11. Test the ignition system for improper operation. Refer to Electronic Ignition System Diagnosis .
  12. Test the engine for any mechanical conditions such as sticking valves, lifters, etc., which could alter the flow into the combustion chamber. Refer to Symptoms - Engine Mechanical .
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