Hyundai Tiburon 2003 Workshop Manual page 207

P0057 HO2S Heater Circuit Low (Bank
2, Sensor 2)
P0058 HO2S Heater Circuit High (Bank
2, Sensor 2)
P0171 Fuel System Too Lean (Bank 1)
P0172 Fuel System Too Rich (Bank 1)
P0174 Fuel System Too Lean (Bank 2)
P0175 Fuel System Too Rich (Bank 2)
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• Blown or missing HO2S fuse
• Open or Short to GND between HO2S and ECM
• Faulty HO2S
• Short to battery between HO2S and ECM
• Faulty HO2S
• Faulty ignition system (Ignition coil/spark plug/Ignition cable)
• Faulty fuel delivery system (Fuel tank/Pressure
regulator/Canister purge valve)
• Clogged fuel injectors
• Faulty fuel injectors
• Leak in intake system
• Leak in exhaust system
• Faulty MAFS
If any codes relating to injectors, HO2S, ECTS or MAFS are
stored, do all repairs associated with those codes before
proceeding with this trouble area.
• Faulty fuel delivery system (Fuel tank/Pressure
regulator/Canister purge valve)
• Faulty fuel injectors
• Faulty MAFS
If any codes relating to injectors, HO2S, ECTS or MAFS are
stored, do all repairs associated with those codes before
proceeding with this trouble area.
• Faulty ignition system (Ignition coil/spark plug/Ignition cable)
• Faulty fuel delivery system (Fuel tank/Pressure
regulator/Canister purge valve)
• Clogged fuel injectors
• Faulty fuel injectors
• Leak in intake system
• Leak in exhaust system
• Faulty MAFS
If any codes relating to injectors, HO2S, ECTS or MAFS are
stored, do all repairs associated with those codes before
proceeding with this trouble area.
• Faulty fuel delivery system (Fuel tank/Pressure
regulator/Canister purge valve)
• Faulty fuel injectors
• Faulty MAFS
If any codes relating to injectors, HO2S, ECTS or MAFS are
stored, do all repairs associated with those codes before
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24.04.2008