Fuel System & Fault Isolation
- General
- Specifications
- Sealant
- Service Standard
- Tightening Torque
- Special Service Tools
- Location Of MFI Components
- Troubleshooting
- Troubleshooting Guide Chart
- Notes
- Test 1: Communication With Scan Tool Is Not Possible (Cannot Communicate With Any System)
- Test 2: Scan Tool Communication With Ecu Is Not Possible
- Test 3: Engine Will Not Start
- Test 4: Difficult To Start (Engine Cranks)
- Test 5: Rough Idle Or Engine Stalls
- Test 6: Engine Hesitates Or Accelerates Poorly
- Troubleshooting
- Fuel Tank And Fuel Line
- MFI Control System
- MULTIPORT Fuel Injection (MFI)
- General Information
- Fuel Injection Control
- Idle Speed Control
- Ignition Timing Control
- Other Control Functions
- Diagnostic Test Mode
- How To Cope With Intermittent Malfunctions
- Diagnosing An Intermittent Malfunction
- Simulation Tests
- Service Points In Inspecting A Blown Fuse
- Inspecting The MFI System
- On-Board Diagnostics
- Malfunction Indicator Light (Mil)
- Inspecting The Malfunction Indicator Lamp (Mil)
- Self-Diagnosis
- Checking Procedure (Self-Diagnosis)
- Water Temperature Sensor (WTS)
- Mass Air Flow (MAF) Sensor & Intake Air Temperature Sensor (ATS)
- Manifold Absolute Pressure (Map) Sensor
- Throttle Position Sensor (TPS)
- Heated Oxygen Sensor (Ho2S)
- Camshaft Position (TDC) Sensor
- Crankshaft Position (CKP) Sensor
- Idle Speed Control Actuator
- Fuel Injector
- Evaporative Emission Canister Purge Control Solenoid Valve (PCSV)
- Knock Sensor
- Power Steering Pressure Switch
- Control Relay
- Ignition Coil
- Engine Control Unit (Ecu)
- Terminal Resistance & Continuity Check
- Throttle Position (TP) Sensor
- Throttle Body
- Pump Relay
- MULTIPORT Fuel Injection (MFI)
- Diagnosis
- DTC Troubleshooting Procedures
- DTC P0101: Mass Or Volume Air Flow Circuit Range/Performance
- DTC P0102: Mass Or Volume Air Flow Circuit Low Input
- DTC P0103: Mass Or Volume Air Flow Circuit High Input
- DTC P0106: Manifold Absolute Pressure/Barometric Pressure Circuit Range/Performance
- DTC P0107: Manifold Absolute Pressure/Barometric Pressure Circuit Low Input
- DTC P0108: Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- DTC P0112: Intake Air Temperature Sensor 1 Circuit Low Input
- DTC P0113: Intake Air Temperature Sensor 1 Circuit High Input
- DTC P0116: Engine Coolant Temperature Circuit Range/Performance
- DTC P0117: Engine Coolant Temperature Circuit Low Input
- DTC P0118: Engine Coolant Temperature Circuit High Input
- DTC P0121: Throttle/Pedal Position Sensor/Switch A Circuit Range/Performance
- DTC P0122: Throttle/Pedal Position Sensor/Switch A Circuit Low Input
- DTC P0123: Throttle/Pedal Position Sensor/Switch A Circuit High Input
- DTC P0125: Insufficient Coolant Temperature For Closed Loop Fuel Control
- DTC P0128: Coolant Thermostat Coolant Temp. Below Thermostat Regulating Temp
- DTC P0130: Ho2S Circuit Bank 1/Sensor 1
- DTC P0132: Ho2S Circuit High Voltage Bank 1/Sensor 1
- DTC P0133: Ho2S Circuit Slow Response Bank 1/Sensor 1
- DTC P0134: Ho2S Circuit No Activity Detected Bank 1/Sensor 1
- DTC P0135: Ho2S Heater Circuit Bank 1/Sensor 1
- DTC P0136: Ho2S Circuit Bank 1/Sensor 2
- DTC P0138: Ho2S Circuit High Voltage Bank 1/Sensor 2
- DTC P0139: Ho2S Circuit Slow Response Bank 1/Sensor 2
- DTC P0140: Ho2S Circuit No Activity Detected Bank 1/Sensor 2
- DTC P0141: Ho2S Heater Circuit Bank 1/Sensor 2
- DTC P0150: Ho2S Circuit Bank 2/Sensor 1
- DTC P0152: Ho2S Circuit High Voltage Bank 2/Sensor 1
- DTC P0153: Ho2S Circuit Slow Response Bank 2/Sensor 1
- DTC P0154: Ho2S Circuit No Activity Detected Bank 2/Sensor 1
- DTC P0155: Ho2S Heater Circuit Bank 2/Sensor 1
- DTC P0156: Ho2S Circuit Bank 2/Sensor 2
- DTC P0158: Ho2S Circuit High Voltage Bank 2/Sensor 2
- DTC P0159: Ho2S Circuit Slow Response Bank 2/Sensor 2
- DTC P0160: Ho2S Circuit No Activity Detected Bank 2/Sensor 2
- DTC P0161: Ho2S Heater Circuit Bank 2/Sensor 2
- DTC P0171: System Too Lean Bank 1
- DTC P0172: System Too Rich Bank 1
- DTC P0174: System Too Lean Bank 2
- DTC P0175: System Too Rich Bank 2
- DTC P0181: Fuel Temp Sensor A Circuit Range/Performance
- DTC P0182: Fuel Temp Sensor A Circuit Low Input
- DTC P0183: Fuel Temp Sensor A Circuit High Input
- DTC P0201: Cylinder 1 - Injector Circuit/Open
- DTC P0202: Cylinder 2 - Injector Circuit/Open
- DTC P0203: Cylinder 3 - Injector Circuit/Open
- DTC P0204: Cylinder 4 - Injector Circuit/Open
- DTC P0205: Cylinder 5 - Injector Circuit/Open
- DTC P0206: Cylinder 6 - Injector Circuit/Open
- DTC P0300: Random/Multiple Cylinder Misfire Detected
- DTC P0301: Cylinder 1 - Misfire Detected
- DTC P0302: Cylinder 2 - Misfire Detected
- DTC P0303: Cylinder 3 - Misfire Detected
- DTC P0304: Cylinder 4 - Misfire Detected
- DTC P0305: Cylinder 5 - Misfire Detected
- DTC P0306: Cylinder 6 - Misfire Detected
- DTC P0320: Ignition/Distributor Engine Speed Input Circuit
- DTC P0325: Knock Sensor 1 Circuit
- DTC P0335: Crankshaft Position Sensor Circuit Malfunction
- DTC P0340: Camshaft Position Sensor Circuit Malfunction
- DTC P0350: Ignition Coil Primary/Secondary Circuit
- DTC P0421: Warm Up Catalyst Efficiency Below Threshold Bank 1
- DTC P0431: Warm Up Catalyst Efficiency Below Threshold Bank 2
- DTC P0441: EVAP Emission System Incorrect Purge Flow
- DTC P0442: EVAP Emission System - Leak Detected Small Leak
- DTC P0443: EVAP Emission System - Purge CTRL. Valve Circuit
- DTC P0446: EVAP Emission System - Vent Control Circuit
- DTC P0451: EVAP Emission System - Pressure Sensor Range/Performance
- DTC P0452: EVAP Emission System - Pressure Sensor Low Input
- DTC P0453: EVAP Emission System - Pressure Sensor High Input
- DTC P0455: EVAP Emission System - Leak Detected Large Leak
- DTC P0456: EVAP Emission System - Leak Detected Very Small Leak
- DTC P0460: Fuel Level Sensor Circuit
- DTC P0461: Fuel Level Sensor A Circuit Range/Performance
- DTC P0462: Fuel Level Sensor A Circuit Low Input
- DTC P0463: Fuel Level Sensor A Circuit High Input
- DTC P0500: Vehicle Speed Sensor
- DTC P0506: Idle Air Control System - Rpm Lower Than Expected
- DTC P0507: Idle Air Control System - Rpm Higher Than Expected
- DTC P0510: Closed Throttle Position Switch
- DTC P0551: Power Steering Pressure Sensor/Switch Circuit Range/Performance
- DTC P0560: System Voltage
- DTC P0700: TCU Request For Mil On
- DTC P1115: Engine Coolant Temperature ECT Sensor Signal From Ecu To TCU
- DTC P1121: Throttle Position Sensor TPS Signal Malfunction
- DTC P1330: Spark Timing Adjust
- DTC P1521: Power Steering Switch Circuit Malfunction
- DTC P1632: Serial Communication Problem With TCU
- Fuel Delivery System