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Home >> Chevrolet >> 2021 >> Blazer RS, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Engine Controls And Fuel - 2.5L (LCV) - Diagnostic Information And Procedures (2 Of 2)) >> Diagnostic Information and Procedures >> DTC P219A >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
  1. Ignition - On / Vehicle - In Service Mode
  2. Verify there are no DTCs set related to the following component/system:
    • B23 Camshaft Position Sensor
    • B34 Engine Coolant Temperature Sensor
    • B52 Heated Oxygen Sensor
    • B74 Manifold Absolute Pressure Sensor
    • B75C Multifunction Intake Air Sensor
    • B150 Fuel Tank Pressure Sensor
    • Q12 Evaporative Emission Purge Solenoid Valve
    • Q17 Fuel Injector
    • Q38 Throttle Body
    • Engine Misfire
    • Fuel Trim System
    • Go to next step: If a related DTC is not set 
  3. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.

    Verify DTC P219A is not set.

    • If the DTC sets 

      Refer to: Circuit/System Testing

    • Go to next step: If no DTC is set 
  4. All OK.