Engine Controls And Fuel - 1.2L - Diagnostic Information And Procedures

• Diagnostic Information and Procedures
  • DTC P0010, P0013 or P2088-P2091: Intake/Exhaust Camshaft Position Actuator Solenoid 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
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC P0011 or P0014: Intake/Exhaust Camshaft Position System Performance
    • 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
    • Diagnostic Aids
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC P0016 or P0017: Crankshaft Position - Intake/Exhaust Camshaft Position Not Plausible
    • 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 P0030-P0032, P0036-P0038, P0053, P0054, P0135 or P0141: HO2S Heater Control 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 MIL/DTC
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0068 or P1101: Throttle Body/Intake Air Flow Performance
    • Diagnostic Instructions
    • DTC Descriptor
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTCs
    • Action Taken When the DTCs Set
    • Conditions for Clearing the DTCs
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0101: Mass Air Flow (MAF) Sensor Performance
    • Diagnostic Instructions
    • DTC Descriptor
    • Diagnostic Fault Information
    • Typical Scan Tool Data
    • Circuit Description
    • Conditions for Running the DTCs
    • 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
    • Repair Instructions
  • DTC P0102 or P0103: Mass Air Flow (MAF) Sensor Circuit
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Typical Scan Tool Data
    • Circuit Description
    • Conditions for Running the DTCs
    • Conditions for Setting the DTC
    • Action Taken When the DTCs Set
    • Conditions for Clearing the MIL/DTCs
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0106: Manifold Absolute Pressure (MAP) Sensor Performance
    • Diagnostic Instructions
    • DTC Descriptor
    • Diagnostic Fault Information
    • Typical Scan Tool Data
    • Circuit 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
      • Notes
      • Skewed Sensor Test
      • Erratic Signal Test
    • Repair Instructions
  • DTC P0107 or P0108: Manifold Absolute Pressure (MAP) Sensor Circuit
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Typical Scan Tool Data
    • Circuit 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
      • Notes
      • Skewed Sensor Test
      • Erratic Signal Test
    • Repair Instructions
  • DTC P0111-P0114: Intake Air Temperature (IAT) 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
    • Component Testing
      • Mass Air Flow/Intake Air Temperature Sensor
    • Repair Instructions
  • DTC P0117, P0118 or P0119: Engine Coolant Temperature (ECT) Sensor Circuit (LFM, LL0)
    • 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 P0121-P0123, P0222, P0223 or P2135: Throttle Position 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 MIL/DTC
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
    • Repair Verification
  • DTC P0128: Engine Coolant Temperature (ECT) Below Thermostat Regulating Temperature (LFM, LL0)
    • 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 MIL/DTC
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC P0131, P0132, P0134, P0137, P0138, P0140 or P2A00: HO2S Circuit Low/High Voltage 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 MIL/DTC
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0133, P013A, P013B, P013E, P013F, P015A, P015B, P2270 or P2271: HO2S Slow/Delayed Response
    • 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
    • Repair Instructions
  • DTC P0171 or P0172: Fuel Trim System Lean/Rich (LFM, LL0)
    • 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 MIL/DTC
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0201, P0202, P0203, P0204, P0261, P0262, P0264, P0265, P0267, P0268, P0270 or P0271: Cylinder Injector 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
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC P0300-P0304: Misfire Detected
    • 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
    • Circuit/System Testing
    • Repair Instructions
    • Repair Verification
  • DTC P0315: Crankshaft Position System Variation Not Learned
    • 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
  • DTC P0324, P0326 or P06B6: Knock Sensor Performance
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTCs
    • Conditions for Setting the DTCs
    • Action Taken When the DTCs Set
    • Conditions for Clearing the DTCs
    • Reference Information
    • Circuit/System Verification
    • Repair Instructions
  • DTC P0325, P0327 or P0328: Knock Sensor Circuit
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTCs
    • Conditions for Setting the DTCs
    • Action Taken When the DTCs Set
    • Conditions for Clearing the DTCs
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0335 or P0336: Crankshaft Position Sensor
    • 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 P0340, P0341, P0365 or P0366: Intake/Exhaust Camshaft Position Sensor
    • 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
    • Repair Instructions
  • DTC P0351-P0354, P2300, P2301, P2303, P2304, P2306, P2307, P2309 or P2310: Ignition Coil 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 MIL/DTC
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Test
    • Repair Instructions
  • DTC P0420: Catalyst System Low Efficiency (LLO)
    • 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
    • Circuit/System Testing
    • Repair Instructions
    • Repair Verification
  • DTC P0420: Catalyst System Low Efficiency (LFM)
    • 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
    • Circuit/System Testing
    • Repair Instructions
    • Repair Verification
  • DTC P0442: Evaporative Emission (EVAP) System Small Leak Detected (LFM, LL0)
    • 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 Testing
    • Repair Verification
  • DTC P0443, P0458 or P0459: Evaporative Emission (EVAP) Purge Solenoid 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 P0446: Evaporative Emission (EVAP) Vent System Performance (LFM, LL0)
    • Diagnostic Instructions
    • DTC Descriptor
    • 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 P0449, P0498 or P0499: Evaporative Emission (EVAP) Vent Solenoid Valve Control Circuit (LFM, LL0)
    • 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
    • Repair Instructions
  • DTC P0451-P0454: Fuel Tank Pressure Sensor Circuit (LFM, LL0)
    • 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 MIL/DTC
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0455: Evaporative Emission (EVAP) System Large Leak Detected (LFM, LL0)
    • 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 Testing
    • Repair Instructions
  • DTC P0496: Evaporative Emission (EVAP) System Flow During Non-Purge (LFM, LL0)
    • 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
    • Repair Instructions
  • DTC P0506 or P0507: Idle Speed Low/High
    • 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
    • Circuit/System Testing
    • Repair Verification
  • DTC P057B-P057D: Brake Pedal Position 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
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P05CC or P05CE: Cold Start Intake/Exhaust Camshaft Position 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
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC P0601-P0604, P0606, P062B, P062F, P0630, P16F3 or P2610: Control Module (ECM, with 2 Face Mounted Connectors)
    • Diagnostic Instructions
    • DTC Descriptors
    • Circuit/System Description
    • Conditions for Running the DTCs
    • Conditions for Setting the DTCs
    • Actions Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Verification
    • Repair Instructions
  • DTC P0601-P0604, P0606, P062B, P062F, P0630, P16F3 or P262B: Control Module (ECM, with 3 Face Mounted Connectors)
    • Diagnostic Instructions
    • DTC Descriptors
    • Circuit/System Description
    • Conditions for Running the DTCs
    • Conditions for Setting the DTCs
    • Actions Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Verification
    • Repair Instructions
  • DTC P0628: Fuel Pump Relay Control Circuit
    • 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 DTC
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0641, P0651, P0697 or P06A3: 5V Reference Circuit
    • 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
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0650, P263A or P263B: Malfunction Indicator Lamp (MIL) Control Circuit (LFM, LL0 with 3 Face Mounted Connectors)
    • 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 DTC
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P0650, P263A or P263B: Malfunction Indicator Lamp (MIL) Control Circuit (LL0 with 2 Face Mounted ECM Connectors)
    • 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 DTC
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P1400: Cold Start Emission Reduction Control System
    • 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
    • Repair Instructions
  • DTC P0685-P0687, P0689, P0690 or P1682: Engine Controls Ignition Relay Control/Feedback Circuit (ECM with 2 Face Mounted Connectors)
    • 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
      • Relay Test
    • Repair Instructions
  • DTC P0685-P0687, P0689, P0690 or P1682: Engine Controls Ignition Relay Control Circuit (ECM with 3 Face Mounted Connectors)
    • 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
      • Relay Test
    • Repair Instructions
  • DTC P0700: Transmission Control Module Requested MIL Illumination (LFM, LL0)
    • 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
    • Repair Instructions
  • DTC P111E: Engine Coolant Temperature 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
    • Component Testing
    • Repair Instructions
  • DTC P150C: Transmission Control Module Engine Speed Request Signal Message Counter Incorrect (LL0)
    • 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
    • Repair Instructions
  • DTC P1516, P2101, P2119 or P2176: Throttle Actuator Position
    • 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
    • Repair Instructions
    • Repair Verification
  • DTC P2096 or P2097: Post Catalyst Fuel Trim System Low/High Limit Bank 1
    • Diagnostic Instructions
    • DTC Descriptor
    • Circuit 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
    • Repair Instructions
  • DTC P2122, P2123, P2127, P2128 or P2138: Accelerator Pedal Position (APP) 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 MIL/DTC
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC P219A: Fuel Trim Cylinder Balance
    • 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
    • Repair Instructions
  • DTC P2544: Transmission Torque Request Signal Message Counter Incorrect (LL0)
    • 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
  • Symptoms - Engine Controls
    • Diagnostic Instructions
    • Symptoms Description
    • Symptoms Definition
    • Symptoms Verification
      • Notes
      • Identifying Intermittent Conditions
      • Visual/Physical Check
    • Symptoms Testing
      • Backfire, Cuts Out/Misses, Detonation/Spark Knock, Dieseling/Run-On, Engine Control Module (ECM) Commanded Reduced Engine Power, Hard Start, Hesitation/Sag/Stumble, Lack of Power/Sluggishness/Sponginess, Poor Fuel Economy, Rough, Unstable or Incorrect Idle and Stalling or Surges/Chuggles
    • Additional Symptoms Tests
      • Detonation/Spark Knock
      • Engine Control Module (ECM) Commanded Reduced Engine Power
      • Fuel Odor
      • Hard Start
      • Hesitation, Sag, Stumble
      • Lack of Power, Sluggishness or Sponginess
      • Poor Fuel Economy
      • Rough, Unstable or Incorrect Idle and Stalling
      • Surges/Chuggles
  • Malfunction Indicator Lamp (MIL) Diagnosis (LFM, LL0 with 3 Face Mounted ECM Connectors)
    • Diagnostic Instructions
    • Circuit/System Description
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • Malfunction Indicator Lamp (MIL) Diagnosis (LL0 with 2 Face Mounted ECM Connectors)
    • Diagnostic Instructions
    • Circuit/System Description
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • Engine Cranks But Does Not Run (LFM, LL0)
    • Diagnostic Instructions
    • Circuit/System Description
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Testing
    • Repair Verification
  • Fuel System Diagnosis
    • Diagnostic Instructions
    • Circuit/System Description
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
      • Fuel Pressure Low
      • Fuel Pressure Leaks Down
      • Fuel Pressure Drops Off
    • Repair Instructions
  • Fuel Pump Electrical Circuit Diagnosis
    • Diagnostic Instructions
    • Circuit/System Description
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • Fuel Injector Diagnosis
    • Diagnostic Instructions
    • Circuit/System Description
    • Diagnostic Aids
    • Reference Information
    • Fuel Injector Coil Test
    • Fuel Injector Balance Test with Special Tool
    • Fuel Injector Balance Test with Scan Tool
    • Repair Instructions
  • Alcohol/Contaminants-in-Fuel Diagnosis
    • Diagnostic Instructions
    • Test Description
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
      • Alcohol in Fuel Testing with Special Tool
      • Alcohol in Fuel Testing without Special Tool
      • Particulate Contaminants in Fuel
    • Repair Instructions
  • Evaporative Emission System Diagnosis
    • Notes
    • Operating Instructions for the Evaporative Emission System Tester
      • Vehicle Setup
    • Flow Meter Test - Leak Detection
    • Smoke Procedure - Locate the Leak
    • Temperature Variation Instructions
  • Electronic Ignition System Diagnosis
    • Diagnostic Instructions
    • Circuit/System Description
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Testing
    • Component Test
    • Repair Instructions
  • Inspection/Maintenance Complete System Set Procedure
    • Diagnostic Instructions
    • Circuit/System Description
    • Condition for Meeting a Cold Start
    • Circuit/System Verification
    • Inspection/Maintenance System Set Procedure
  • Inspection/Maintenance (I/M) System DTC Table