Honda Civic. Manual — part 745

Front HO2S Heater Circuit Fault (Sensor 1)

P0137

63

Secondary HO2S Circuit Low Voltage (Sensor 2)

P0138

63

Secondary HO2S Circuit High Voltage (Sensor 2)

P0139

63

Secondary HO2S Circuit Slow Response (Sensor 2)

P0141

65

Secondary HO2S Heater Circuit Fault (Sensor 2)

P0171

45

System Too Lean

P0172

45

System Too Rich

P0300

—

Random Misfire

P0301

71

Misfire Cyl. 1 Or Random Misfire

P0302

72

Misfire Cyl. 2 Or Random Misfire

P0303

73

Misfire Cyl. 3 Or Random Misfire

P0304

74

Misfire Cyl. 4 Or Random Misfire

P0305

75

Misfire Cyl. 5 Or Random Misfire

P0306

76

Misfire Cyl. 6 Or Random Misfire

P0325

23

KS Circuit Malfunction

P0335

4

CKP Sensor Circuit Low Input

P0336

4

CKP Sensor Range/Performance

P0401

80

EGR Insufficient Flow Detected

P0420

67

Catalyst System Efficiency Below Threshold

P0441

92

EVAP Emission Control System Improper Purge Flow

P0451

91

Fuel Tank Pressure Sensor Range/Performance

P0452

91

Fuel Tank Pressure Sensor Circuit Low Input

P0453

91

Fuel Tank Pressure Sensor Circuit High Input

P0500

17

VSS Circuit Malfunction (M/T)

P0501

17

VSS Circuit Range/Performance (A/T)

P0505

14

ICS Malfunction

P0560

34

Powertrain Control Module (PCM) Backup Voltage Circuit Low Voltage

P0700, P0715, P0720, P0725, P0730, P0740, P0753, P0758, P0763, P0780

70

A/T Concerns

P1106

13

BARO Circuit Range/Performance

P1107

13

BARO Circuit Low Input

P1108

13

BARO Circuit High Input

P1121