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Hyundai Tiburon (2003 year). Manual - part 52

P0135

HO2S Heater Circuit
Malfunction (Bank 1, Sensor 1)

• Blown or missing HO2S fuse

• Short to battery between front HO2S and ECM

• Open between front HO2S and ECM

• Faulty front HO2S

P0030

HO2S Heater Control Circuit
(Bank 1, Sensor 1)

• Contaminated, deteriorated or aged HO2S

• Heater Resistance out of Reasonable Range

• Misplaced, bent, loose or corroded connector terminals

• Faulty HO2S

P0031

HO2S Heater Circuit Low (Bank
1, Sensor 1)

• Blown or mission HO2S fuse

• Open or short to GND between HO2S and ECM

• Faulty HO2S

P0032

HO2S Heater Circuit High (Bank
1, Sensor 1)

• Short to battery between HO2S and ECM

• Faulty HO2S

P0136

HO2S Circuit Malfunction (Bank
1, Sensor 2)

• Short between rear HO2S and ECM

• Faulty rear HO2S

P0137

HO2S Circuit Low Input (Bank
1, Sensor 2)

• Short to GND between HO2S and ECM

• Faulty front HO2S

P0138

HO2S Circuit Low Input (Bank
1, Sensor 2)

• Open or short to battery between HO2S and ECM

• Faulty front HO2S

P0139

HO2S Circuit Slow Responsive
(Bank 1, Sensor 2)

• Front and rear HO2S connections reversed

• Faulty fuel delivery system

• Leak in intake system

• Leak in exhaust system

• Faulty MAFS ground circuit

• Faulty HO2S

If any misfire, purge solenoid valve, MAFS or HO2S heater
codes are present,do all repairs associated with those codes
before proceeding with this troublearea.

P0140

HO2S Circuit No Activity
Detected (Bank 1, Sensor 2)

• Contaminated, deteriorated or aged HO2S

• Misplaced, bent, loose or corroded connector terminals

• Faulty HO2S

If any misfire, purge solenoid valve or HO2S heater codes are
present, do all repairs associated with those codes before
proceeding with this trouble area.

P0141

HO2S Heater Circuit
Malfunction (Bank 1, Sensor 2)

• Blown or missing HO2S fuse

• Short to battery between rear HO2S and ECM

• Open between rear HO2S and ECM

• Faulty rear HO2S

P0037

HO2S Heater Circuit Low (Bank
1, Sensor 2)

• Blown or missing HO2S fuse

• Open or short to GND between HO2S and ECM

• Faulty HO2S

P0038

HO2S Heater Circuit High (Bank

• Short to battery between HO2S and ECM

1, Sensor 2)

• Faulty HO2S

P0151

HO2S Circuit Low Input (Bank
2, Sensor 1)

• Short to GND between HO2S and ECM

• Faulty front HO2S

P0152

HO2S Circuit High Input (Bank
2, Sensor 1)

• Short to battery between HO2S and ECM

• Faulty front HO2S

P0153

HO2S Circuit Slow Responsive
(Bank 2, Sensor 1)

• Front and rear HO2S connections reversed

• Faulty fuel delivery system

• Leak in intake system

• Leak in exhaust system

• Faulty MAFS ground circuit

• Faulty HO2S

If any misfire, purge solenoid valve, MAFS or HO2S heater
codes are present,do all repairs associated with those codes
before proceeding with this troublearea.

P0154

HO2S Circuit No Activity
Detected (Bank 2, Sensor 1)

• Contaminated, deteriorated or aged HO2S

• Misplaced, bent, loose or corroded connector terminals

• Faulty HO2S

If any misfire, purge solenoid valve or HO2S heater codes are
present, do all repairs associated with those codes before
proceeding this trouble area.

P0050

HO2S Heater Control Circuit
(Bank 2, Sensor 1)

• Contaminated, deteriorated or aged HO2S

• Heater Resistance out of reasonable range

• Misplaced, bent, loose or corroded connector terminals

• Faulty HO2S

P0051

HO2S Heater Circuit Low (Bank
2, Sensor 1)

• Blown or missing HO2S fuse

• Open or short to GND between HO2S and ECM

• Faulty HO2S

P0052

HO2S Heater Circuit High (Bank
2, Sensor 1)

• Short to battery between HO2S and ECM

• Faulty HO2S

P0157

HO2S Circuit Low Input (Bank
2, Sensor 2)

• Short to GND between HO2S and ECM

• Faulty rear HO2S

P0158

HO2S Circuit High Input (Bank
2, Sensor 2)

• Open or short to battery between HO2S and ECM

• Faulty rear HO2S

P0160

HO2S Circuit No Activity
Detected (Bank 2, Sensor 2)

• Contaminated, deteriorated or aged HO2S

• Misplaced, bent, loose or corroded connector terminals

• Faulty HO2S

If any misfire, purge solenoid valve or HO2S heater codes are
present, do all repairs associated with those codes before
proceeding with this trouble area.

P0057

HO2S Heater Circuit Low (Bank
2, Sensor 2)

• Blown or missing HO2S fuse

• Open or Short to GND between HO2S and ECM

• Faulty HO2S

P0058

HO2S Heater Circuit High (Bank
2, Sensor 2)

• Short to battery between HO2S and ECM

• Faulty HO2S

P0171

Fuel System Too Lean (Bank 1)

• 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.

P0172

Fuel System Too Rich (Bank 1)

• 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.

P0174

Fuel System Too Lean (Bank 2)

• 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.

P0175

Fuel System Too Rich (Bank 2)

• 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.

P0230

Fuel Pump Circuit Malfunction

• Blown or missing fuse/relay

• Short to battery between fuel pump relay and ECM

• Open between fuel pump relay and ECM

• Faulty fuel pump relay

P0261

Injector Circuit Low Input
(Cylinder -1)

• Short to GND between injector and ECM

• Faulty fuel injector

P0264

Injector Circuit Low Input
(Cylinder -2)

P0267

Injector Circuit Low Input
(Cylinder -3)

P0270

Injector Circuit Low Input
(Cylinder -4)

P0273

Injector Circuit Low Input
(Cylinder -5)

P0276

Injector Circuit Low Input
(Cylinder -6)

P0262

Injector Circuit High Input
(Cylinder -1)

• Open between injector fuse and injector

• Open or short to battery between injector and ECM

• Faulty fuel injector

P0265

Injector Circuit High Input
(Cylinder -2)

P0268

Injector Circuit High Input
(Cylinder -3)

P0271

Injector Circuit High Input
(Cylinder -4)

P0274

Injector Circuit High Input
(Cylinder -5)

P0277

Injector Circuit High Input
(Cylinder -6)

P0300

Random Misfire Detected

• Vacuum leak in air intake system

• CKP sensor circuit malfunction

• Faulty CKP sensor

• Ignition circuit malfunction

• Faulty ignition coil or plug wire

• Spark plug malfunction

• Low compression due to blown head gasket, leaking valve or

piston ring

• Low/high fuel pressure due to faulty pressure regulator,

restricted fuel lines,plugged fuel filter or faulty fuel pump

• Fuel injector circuit malfunction

• Faulty fuel injector

If any fuel injector codes (or pending codes) are present, do all
repairs associated with those codes before proceeding with
this trouble area.

P0301

Misfire Detected (Cylinder -1)

P0302

Misfire Detected (Cylinder -2)

P0303

Misfire Detected (Cylinder -3)

P0304

Misfire Detected (Cylinder -4)

P0305

Misfire Detected (Cylinder -5)

P0306

Misfire Detected (Cylinder -6)

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