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Home >> Chevrolet >> 2018 >> Trax Premier, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 10 (Engine Controls And Fuel - 1.4L (LE2) - Diagnostic Information And Procedures (P0325-P2635) And Symptoms) >> Diagnostic Information and Procedures >> DTC P050D >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2018 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.
  1. Verify that the fuel pressure is not too low or too high - Refer to Fuel System Diagnosis .
    • If a condition is found 

      Repair or replace components as necessary

    • Go to next step: If the fuel pressure is OK 
  2. Verify that the fuel is not contaminated - Refer to Alcohol/Contaminants-in-Fuel Diagnosis .
    • Go to next step: If the fuel is not contaminated 
  3. Replace fuel injectors as indicated by high misfire counts.
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