Note. This code applies to fuel trim malfunction on right bank (bank 1). For component locations, see appropriate illustration under COMPONENT LOCATIONS . For terminal identification, see appropriate illustration under CONNECTOR IDENTIFICATION . For circuit and wire color identification, see WIRING DIAGRAMS article.
Home/Mitsubishi/Eclipse/Mitsubishi Eclipse III (1999-2005)/Repair manual/Testing & Diagnostics/DTC P0171: SYSTEM TOO LEAN (BANK 1)
Contents
Wiring diagrams Section: Testing & Diagnostics- Engine Controls - Basic Diagnostic Procedures: Overview
- Engine Controls - Basic Diagnostic Procedures: Diagnosis
- Engine Controls - Basic Diagnostic Procedures: Other
- Engine Controls - Self-Diagnostics - 3.0L: Overview
- Engine Controls - Self-Diagnostics - 3.0L: Diagnosis
- Engine Controls - Self-Diagnostics - 3.0L: Component Locations
- Engine Controls - Self-Diagnostics - 3.0L: Other
- DTC P0101: VOLUME AIRFLOW CIRCUIT RANGE/PERFORMANCE PROBLEM
- DTC P0102: VOLUME AIRFLOW CIRCUIT LOW INPUT
- DTC P0106: BAROMETRIC PRESSURE CIRCUIT RANGE/PERFORMANCE PROBLEM
- DTC P0107: BAROMETRIC PRESSURE CIRCUIT LOW INPUT
- DTC P0108: BAROMETRIC PRESSURE CIRCUIT HIGH INPUT
- DTC P0111: INTAKE AIR TEMPERATURE CIRCUIT RANGE/PERFORMANCE PROBLEM
- DTC P0112: INTAKE AIR TEMPERATURE CIRCUIT LOW INPUT
- DTC P0113: INTAKE AIR TEMPERATURE CIRCUIT HIGH INPUT
- DTC P0116: ENGINE COOLANT TEMPERATURE CIRCUIT RANGE/PERFORMANCE PROBLEM
- DTC P0117: ENGINE COOLANT TEMPERATURE CIRCUIT LOW INPUT
- DTC P0118: ENGINE COOLANT TEMPERATURE CIRCUIT HIGH INPUT
- DTC P0121: THROTTLE POSITION SENSOR CIRCUIT RANGE/PERFORMANCE PROBLEM
- DTC P0122: THROTTLE POSITION SENSOR CIRCUIT LOW INPUT
- DTC P0123: THROTTLE POSITION SENSOR CIRCUIT HIGH INPUT
- DTC P0128: COOLANT THERMOSTAT MALFUNCTION
- DTC P0132: HEATED OXYGEN SENSOR CIRCUIT HIGH VOLTAGE (BANK 1 SENSOR 1)
- DTC P0133: HEATED OXYGEN SENSOR CIRCUIT SLOW RESPONSE (BANK 1 SENSOR 1)
- DTC P0134: HEATED OXYGEN SENSOR CIRCUIT NO ACTIVITY DETECTED (BANK 1 SENSOR 1)
- DTC P0135: HEATED OXYGEN SENSOR HEATER CIRCUIT (BANK 1 SENSOR 1)
- DTC P0137: HEATED OXYGEN SENSOR CIRCUIT LOW VOLTAGE (BANK 1 SENSOR 2)
- DTC P0138: HEATED OXYGEN SENSOR CIRCUIT HIGH VOLTAGE (BANK 1 SENSOR 2)
- DTC P0139: HEATED OXYGEN SENSOR CIRCUIT SLOW RESPONSE (BANK 1 SENSOR 2)
- DTC P0141: HEATED OXYGEN SENSOR HEATER CIRCUIT (BANK 1 SENSOR 2)
- DTC P0152: HEATED OXYGEN SENSOR CIRCUIT HIGH VOLTAGE (BANK 2 SENSOR 1)
- DTC P0153: HEATED OXYGEN SENSOR CIRCUIT SLOW RESPONSE (BANK 2 SENSOR 1)
- DTC P0154: HEATED OXYGEN SENSOR CIRCUIT NO ACTIVITY DETECTED (BANK 2 SENSOR 1)
- DTC P0155: HEATED OXYGEN SENSOR HEATER CIRCUIT (BANK 2 SENSOR 1)
- DTC P0157: HEATED OXYGEN SENSOR CIRCUIT LOW VOLTAGE (BANK 2 SENSOR 2)
- DTC P0158: HEATED OXYGEN SENSOR CIRCUIT HIGH VOLTAGE (BANK 2 SENSOR 2)
- DTC P0159: HEATED OXYGEN SENSOR CIRCUIT SLOW RESPONSE (BANK 2 SENSOR 2)
- DTC P0161: HEATED OXYGEN SENSOR HEATER CIRCUIT MALFUNCTION (BANK 2 SENSOR 2)
- DTC P0171: SYSTEM TOO LEAN (BANK 1)
- DTC P0172: SYSTEM TOO RICH (BANK 1)
- P0174: SYSTEM TOO LEAN (BANK 2)
- P0175: SYSTEM TOO RICH (BANK 2)
- DTC P0181: FUEL TEMPERATURE SENSOR CIRCUIT RANGE/PERFORMANCE
- DTC P0182: FUEL TEMPERATURE SENSOR CIRCUIT LOW INPUT
- DTC P0183: FUEL TEMPERATURE SENSOR CIRCUIT HIGH INPUT
- DTC P0201, P0203, P0205: INJECTOR NO. 1 CIRCUIT MALFUNCTION, INJECTOR NO. 3 CIRCUIT MALFUNCTION, INJECTOR NO. 5 CIRCUIT MALFUNCTION
- DTC P0202, P0204, P0206: INJECTOR NO. 2 CIRCUIT MALFUNCTION, INJECTOR NO. 4 CIRCUIT MALFUNCTION, INJECTOR NO. 6 CIRCUIT MALFUNCTION
- DTC P0300: RANDOM MISFIRE DETECTED
- DTC P0301-P0306: CYLINDERS NO. 1-6 MISFIRE DETECTED
- DTC P0325: KNOCK SENSOR CIRCUIT
- DTC P0335: CRANKSHAFT POSITION SENSOR CIRCUIT
- DTC P0340: CAMSHAFT POSITION SENSOR CIRCUIT
- DTC P0401: EXHAUST GAS RECIRCULATION INSUFFICIENT FLOW DETECTED
- DTC P0421: WARM-UP CATALYTIC CONVERTER EFFICIENCY BELOW THRESHOLD (BANK 1)
- DTC P0431: WARM-UP CATALYTIC CONVERTER EFFICIENCY BELOW THRESHOLD (BANK 2)
- DTC P0441: EVAPORATIVE EMISSION CONTROL SYSTEM INCORRECT PURGE FLOW
- DTC P0442: EVAPORATIVE EMISSION CONTROL SYSTEM LEAK DETECTED (SMALL LEAK)
- DTC P0443: EVAPORATIVE EMISSION CONTROL SYSTEM PURGE CONTROL VALVE CIRCUIT
- DTC P0446: EVAPORATIVE EMISSION CONTROL SYSTEM VENT CONTROL
- DTC P0451: EVAPORATIVE EMISSION CONTROL SYSTEM PRESSURE SENSOR RANGE/PERFORMANCE
- DTC P0452: EVAPORATIVE EMISSION CONTROL SYSTEM PRESSURE SENSOR LOW INPUT
- DTC P0453: EVAPORATIVE EMISSION CONTROL SYSTEM PRESSURE SENSOR HIGH INPUT
- DTC P0455: EVAPORATIVE EMISSION CONTROL SYSTEM LEAK DETECTED (GROSS LEAK)
- DTC P0456: EVAPORATIVE EMISSION CONTROL SYSTEM LEAK DETECTED (VERY SMALL LEAK)
- DTC P0461: FUEL LEVEL SENSOR CIRCUIT RANGE/PERFORMANCE
- DTC P0500: VEHICLE SPEED SENSOR MALFUNCTION (M/T)
- DTC P0506: IDLE CONTROL SYSTEM RPM LOWER THAN EXPECTED
- DTC P0507: IDLE CONTROL SYSTEM RPM HIGHER THAN EXPECTED
- DTC P0551: POWER STEERING PRESSURE SENSOR CIRCUIT RANGE/PERFORMANCE
- DTC P1400: MANIFOLD DIFFERENTIAL PRESSURE SENSOR CIRCUIT MALFUNCTION
- DTC P1500: GENERATOR FR TERMINAL CIRCUIT MALFUNCTION
- DTC P1603: BATTERY BACKUP CIRCUIT MALFUNCTION
- DTC P01610: IMMOBILIZER MALFUNCTION
- Engine Controls - Trouble Shooting - No Codes: Diagnosis
- Engine Controls - Trouble Shooting - No Codes: Other
- Engine Controls - Self Diagnostics - 2.4L: Overview
- Engine Controls - Self Diagnostics - 2.4L: Diagnosis
- Engine Controls - Self Diagnostics - 2.4L: Other
- DTC P0201, DTC P0202, DTC P0203 & DTC P0204
- DTC P0301, DTC P0302, DTC P0303 & DTC P0304
- 2.4L 4-CYLINDER
- 2.4L 4-CYLINDER: Removal & Installation
- 3.0L 6-CYLINDER: Removal & Installation
- Abbreviations
- Accessory Drive Belts
- Adjustments
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- Anti-Lock: Diagnosis
- Application
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- Testing & Diagnostics
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- Wiring Diagrams - Engine Performance