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Home >> Suzuki >> 2008 >> Swift + >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 1.6L - DTC P0317 To DTC P2610 >> DTC P050D >> Circuit/System Verification
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Circuit/System Verification

  1. Engine running, observe the DTC information with a scan tool. DTC P050D should not set.
    • If DTC P050D is set, Inspect for the following conditions:
      • Vacuum leaks at the intake manifold, throttle body, and injector O-rings.
      • Leaking crankcase ventilation system.
      • Splits, kinks, or improper connections at the vacuum hoses
      • Missing, restricted, or leaking exhaust components-Refer to Symptoms - Engine Exhaust .
      • The air intake duct for being collapsed or restricted possibly by a restricted air filter.
      • The fuel system is operating lean or rich. Refer to Fuel System Diagnosis .
      • The fuel injectors are operating lean or rich. Refer to Fuel Injector Solenoid Coil Test .
      • Fuel contamination-Refer to Alcohol/Contaminants-in-Fuel Diagnosis .
  2. If all conditions test normal, test the engine for a mechanical condition. Refer to Symptoms - Engine Mechanical .
  3. Operate the vehicle within the Conditions for Running the DTC to verify the DTC does not reset. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
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