Section 14 (Engine Controls And Fuel - 2.0L (LUZ) Diesel - DTC P2122 To DTC P2689 And Diagnostic Information And Procedures)

• Diagnostic Information and Procedures
  • DTC P20E2 or P20E4: Exhaust Gas Temperature Sensors
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Typical Scan Tool Data
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC P20EE, P249D, P249E or P2BAA: NOx Catalyst Efficiency/Closed Loop Reductant
    • Diagnostic Instructions
    • DTC Descriptors
    • Circuit/System Description
    • Conditions for Running the DTCs
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Verification
    • Repair Instructions
    • Repair Verification
  • DTC P2122, P2123, P2127, P2128 or P2138: Accelerator Pedal Position (APP) Sensor
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Typical Scan Tool Data
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P2146 or P2149: Injector High Control Circuit Group
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC P214F, P21DD or P221C-P221F: Reductant Heater Current
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTCs
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
    • Repair Verification
  • DTC P2199: Intake Air Temperature (IAT) Sensor
    • Diagnostic Instructions
    • DTC Descriptor
    • Diagnostic Fault Information
    • Typical Scan Tool Data
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
      • Multifunction Intake Air Sensor
    • Repair Instructions
  • DTC P2228 or P2229: Barometric Pressure (BARO) Sensor Circuit
    • Diagnostic Instructions
    • DTC Descriptor
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P2263: Turbocharger Boost System Performance
    • Diagnostic Instructions
    • DTC Descriptors
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
      • Turbocharger Vane Position Control Solenoid Valve Static Test
      • Turbocharger Vane Position Control Solenoid Valve Dynamic Test
    • Repair Instructions
  • DTC P227B: Barometric Pressure (BARO) Sensor 2
    • Diagnostic Instructions
    • DTC Descriptor
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P227C or P227D: Barometric Pressure (BARO) Sensor 2 Circuit
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Typical Scan Tool Data
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P2297 or P2A00: HO2S Performance
    • Diagnostic Instructions
    • DTC Descriptor
    • Diagnostic Fault Information
    • Typical Scan Tool Data
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Verification
    • Repair Instructions
  • DTC P229F: NOx Sensor 2
    • Diagnostic Instructions
    • DTC Descriptor
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTCs
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Verification
    • Repair Instructions
  • DTC P22FA: NOx Sensor 1 Performance
    • Diagnostic Instructions
    • DTC Descriptor
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTCs
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Verification
    • Repair Instructions
  • DTC P2428: Exhaust Gas High Temperature
    • Diagnostic Instructions
    • DTC Descriptors
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Verification
    • Repair Instructions
  • DTC P2453: Diesel Particulate Filter (DPF) Differential Pressure Sensor
    • Diagnostic Instructions
    • DTC Descriptor
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC P2454 or P2455: Diesel Particulate Filter (DPF) Differential Pressure Sensor Circuit
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Typical Scan Tool Data
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC P2457: Exhaust Gas Recirculation (EGR) Cooler
    • Diagnostic Instructions
    • DTC Descriptor
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P2459: Diesel Particulate Filter (DPF) Regeneration
    • Diagnostic Instructions
    • DTC Descriptor
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC P245A, P245C or P245D: Exhaust Gas Recirculation (EGR) Cooler Bypass Valve Control Circuit
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
      • Static Test
      • Dynamic Test
    • Repair Instructions
  • DTC P2463: Diesel Particulate Filter (DPF) Soot
    • Diagnostic Instructions
    • DTC Descriptor
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC P24A5: Exhaust Gas Recirculation (EGR) Cooler Bypass Control
    • Diagnostic Instructions
    • DTC Descriptor
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Verification
    • Component Testing
      • Turbocharger Vane Position Control Solenoid Valve Static Test
      • Turbocharger Vane Position Control Solenoid Valve Dynamic Test
      • Exhaust Gas Recirculation Cooler Bypass Solenoid Valve Static Test
      • Exhaust Gas Recirculation Cooler Bypass Solenoid Valve Dynamic Test
    • Repair Instructions
  • DTC P24AE, P24AF, P24B1 or P24D0: Particulate Matter Sensor
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTCs
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Verification
    • Repair Instructions
  • DTC P24B3-P24B7: Particulate Matter Sensor Heater
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTCs
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Verification
    • Repair Instructions
  • DTC P24C6 or P24C7: Particulate Matter Sensor Temperature Circuit
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTCs
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Verification
    • Repair Instructions
  • DTC P2510: Engine Controls Ignition Relay Feedback
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
      • Relay Test
    • Repair Instructions
  • DTC P2544: Transmission Torque Request Signal Message Counter
    • Diagnostic Instructions
    • DTC Descriptors
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Verification
    • Repair Instructions
  • DTC P2564 or P2565: Turbocharger Vane Position Sensor Circuit
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P2598 or P2599: Turbocharger Boost Control
    • Diagnostic Instructions
    • DTC Descriptor
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Verification
    • Component Testing
      • Turbocharger Vane Position Control Solenoid Valve Static Test
      • Turbocharger Vane Position Control Solenoid Valve Dynamic Test
      • Exhaust Gas Recirculation Cooler Bypass Solenoid Valve Static Test
      • Exhaust Gas Recirculation Cooler Bypass Solenoid Valve Dynamic Test
    • Repair Instructions
  • DTC P25BD: Unmetered Fuel
    • Diagnostic Instructions
    • DTC Descriptor
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
      • Possible Causes of an Engine Overspeed
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P2687-P2689: Fuel Heater Relay Control Circuit
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
      • Relay Test
    • Repair Instructions
  • DTC P268C-P268F: Cylinder Injector Calibration
    • Diagnostic Instructions
    • DTC Descriptors
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Circuit/System Verification
    • Repair Instructions
  • DTC P26C8: Chassis Control Module
    • Diagnostic Instructions
    • DTC Descriptor
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Verification
    • Repair Instructions
  • Symptoms - Engine Controls
    • Diagnostic Instructions
    • Symptoms Description
    • Symptoms Definition
    • Symptoms Verification
      • Notes
      • Visual/Physical Check
    • Symptoms Testing
      • Cuts Out/Misses, Fuel Knock/Combustion Noise, Hard Start, Hesitation/Sag/Stumble, Lack of Power/Sluggishness/Sponginess, Poor Fuel Economy, Rough, Unstable or Incorrect Idle and Stalling, Surges/Chuggles or Excessive Smoke (Black), Excessive Smoke (White), Excessive Smoke (Gray or Blue)
    • Additional Symptoms Tests
      • ECM Commanded Reduced Engine Power
      • Fuel Knock/Combustion Noise
      • Hard Start
      • Hesitation, Sag, Stumble
      • Lack of Power, Sluggishness or Sponginess
      • Poor Fuel Economy
      • Rough, Unstable or Incorrect Idle and Stalling
      • Surges/Chuggles
      • Excessive Smoke (Black)
      • Excessive Smoke (White)
  • Malfunction Indicator Lamp (MIL) Diagnosis
    • Diagnostic Instructions
    • Circuit/System Description
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • Water-in-Fuel Lamp Diagnosis
    • Diagnostic Instructions
    • Circuit/System Description
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • Charge Air Cooler Diagnosis (Induction System Air Leak Test)
    • Diagnostic Instructions
    • Reference Information
    • EN 46091-1 Pressure Regulator Adjustment
    • Induction System Inlet Connection
    • Air Pressure Application
    • Leak Test
  • Charge Air Cooler Diagnosis (Induction System Smoke Test)
    • Diagnostic Instructions
    • Circuit/System Description
    • Reference Information
    • Smoke Test Application
  • Charge Air Cooler Diagnosis
    • Diagnostic Instructions
    • Circuit/System Description
    • Reference Information
    • Smoke Test Application
  • Engine Cranks But Does Not Run
    • Diagnostic Instructions
    • Circuit/System Description
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Verification
    • Repair Instructions
  • Fuel Pump Electrical Circuit Diagnosis
    • Diagnostic Instructions
    • Circuit/System Description
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • Fuel System Diagnosis
    • Diagnostic Instructions
    • Circuit/System Description
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • Fuel Pressure Regulator Diagnosis
    • Notes
    • Scan Tool Set-up for Fuel Pressure Regulator Diagnosis
    • Fuel Pressure Regulator 2
    • Fuel Pressure Regulator 1
    • Good Fuel Pressure Regulator Graph at Idle
    • Good Fuel Pressure Regulator Graph at 1800 RPM
    • Fuel Pressure Graph, Surging
  • Fuel Leak Diagnosis
    • Diagnostic Instructions
    • Reference Information
    • System Testing
  • Fuel Injector Balance Test with GDS 2
    • Diagnostic Instructions
    • Circuit/System Description
    • Diagnostic Aids
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • Fuel Return System Diagnosis
    • Diagnostic Instructions
    • Circuit/System Description
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • Fuel Return System Diagnosis (Customer Ran Vehicle Out of Fuel)
    • Diagnostic Instructions
    • Circuit/System Description
    • Reference Information
    • Circuit/System Testing
    • Repair Instructions
  • Fuel System Diagnosis - High Pressure Side
    • Diagnostic Instructions
    • Circuit/System Description
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Testing
    • Repair Instructions
  • Fuel Injector Diagnosis
    • Diagnostic Instructions
    • Circuit/System Description
    • Reference Information
    • Diagnostic Aids
    • Circuit/System Testing
    • Repair Instructions
  • Fuel Specific Gravity Testing
  • Contaminants-in-Fuel Diagnosis
    • Notes
    • Diesel Fuel Containing Red Dye in the United States and Canada
      • Notes
      • Inspecting for Fuel Contaminants
  • Reductant Fluid Quality Test
    • Circuit/System Description
    • Conditions for Running
    • Diagnostic Aids
    • Reference Information
    • Reductant Fluid Quality Test
  • Reductant Injection Quantity Test
    • Diagnostic Instructions
    • Circuit/System Description
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Testing
    • Repair Instructions
  • Contaminants-in-Diesel Exhaust Fluid Diagnosis
    • Description
    • Inspecting for Contaminates
    • Reference Information
    • Circuit/System Testing
    • Repair Verification
  • Diesel Particulate Filter (DPF) Service Regeneration
    • Circuit/System Description
    • Diagnostic Aids
    • Reference Information
    • DPF Service Regeneration
    • Repair Instructions
  • Diesel Particulate Filter (DPF) Regeneration Enable
  • Diesel Exhaust Fluid (DEF) Warning Strategy (DEF Level)
    • Notes
    • Warning Level 1
    • Warning Level 2
    • Warning Level 3
    • Warning Level 4
    • Warning Level 5
    • Warning Level 6
    • Warning Level 7
    • Warning Level 8
    • Warning Level 9
    • Warning Level 10
    • Warning Level 11
    • Warning Level 12
    • Warning Level 13
    • Warning Level 14
  • Diesel Exhaust Fluid (DEF) Warning Strategy (DEF Quality)
    • Notes
    • Warning Level 1
    • Warning Level 2
    • Warning Level 3
    • Warning Level 4
    • Warning Level 5
    • Warning Level 6
    • Warning Level 7
    • Warning Level 8
    • Warning Level 9
    • Warning Level 10
    • Warning Level 11
  • Diesel Exhaust Fluid (DEF) Warning Strategy (Anti-Tampering)
    • Notes
    • Warning Level 1
    • Warning Level 2
    • Warning Level 3
    • Warning Level 4
    • Warning Level 5
    • Warning Level 6
    • Warning Level 7
    • Warning Level 8
    • Warning Level 9
    • Warning Level 10
    • Warning Level 11
  • Diesel Exhaust Fluid (DEF) Warning Strategy (Emission Control)
    • Notes
    • Warning Level 1
    • Warning Level 2
    • Warning Level 3
    • Warning Level 4
    • Warning Level 5
    • Warning Level 6
    • Warning Level 7
  • Inspection/Maintenance System Check
    • Diagnostic Instructions
    • Circuit/System Description
    • Conditions for Updating the I/M System Status
    • Monitored Emission Control Systems
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • Inspection/Maintenance Complete System Set Procedure
    • Diagnostic Instructions
    • Description
    • Conditions for Running Procedure
    • Circuit/System Verification
    • Circuit/System Testing
  • Inspection/Maintenance (I/M) System DTC Table