Engine Diagnostic Codes (P0XXX)

Complete list of engine diagnostic trouble codes (P0XXX). Browse powertrain codes for engine, transmission, and emission control systems.

Popular Engine Codes

P0100

Mass Air Flow Circuit

Mass or Volume Air Flow Circuit malfunction

P0171

System Too Lean (Bank 1)

System too Lean (Bank 1)

P0300

Random/Multiple Cylinder Misfire

Random/Multiple Cylinder Misfire Detected

P0420

Catalyst System Efficiency

Catalyst System Efficiency Below Threshold (Bank 1)

P0442

EVAP System Leak

Evaporative Emission Control System Leak Detected (small leak)

Complete Engine Codes Index

Browse all available engine diagnostic trouble codes (P0XXX) organized by system:

Showing codes 4201-4300 of 12293 total codes

P10XX Engine Control System

P1068
DTC P1068 indicates a fuel pressure sensor issue.
P1069
P1069 indicates a fuel pressure regulator performance issue.
P106A
P106A indicates a fuel pressure issue, often linked to the fuel pressure regu...
P106B
P106B indicates a performance issue with the fuel pressure regulator,
P106C
The P106C code indicates a performance issue with the Fuel Rail Pressure Sens...
P106D
P106D indicates a fuel system issue related to pressure regulation.
P106E
P106E indicates a fuel pressure sensor performance issue, affecting engine op...
P106F
The P106F code indicates a problem with the fuel injection system's performance.
P1070
P1070 indicates a problem with the intake manifold temperature sensor circuit.
P1071
The P1071 code signals a problem with the intake air temperature sensor's ran...
P1072
P1072 indicates a performance issue with the intake air temperature sensor.
P1073
The P1073 code indicates a problem with the intake air system related to the ...
P1074
P1074 indicates an issue with the intake manifold pressure sensor circuit.
P1075
P1075 indicates a problem with the intake air temperature sensor circuit.
P1076
DTC P1076 indicates a performance issue with the intake manifold pressure sen...
P1077
P1077 indicates an issue with the intake manifold pressure sensor,
P1078
DTC P1078 indicates a problem with the manifold absolute pressure sensor.
P1079
DTC P1079 indicates a problem with the intake manifold pressure system,
P107A
P107A indicates a problem with the intake manifold pressure sensor or its cir...
P107B
P107B indicates a malfunction in the Intake Air Temperature sensor circuit.
P107C
Indicates ignoring the P107C code could result in costly repairs down the line.
P107D
The P107D code signifies a problem with the fuel pressure sensor's performanc...
P107E
DTC P107E indicates a problem with the manifold absolute pressure sensor circ...
P107F
The P107F code indicates an issue with the intake manifold pressure sensor,
P1080
P1080 signifies an issue with the manifold absolute pressure (MAP) sensor cir...
P1081
DTC P1081 indicates a problem with the fuel pressure sensor in your vehicle.
P1082
P1082 indicates a problem with the fuel rail pressure sensor, affecting the e...
P1083
DTC P1083 indicates a fuel pressure sensor problem, affecting engine performa...
P1084
P1084 indicates a fuel delivery system issue, particularly with the fuel pres...
P1085
P1085 refers to a fuel pressure regulator control circuit problem.
P1086
P1086 signifies a problem with the intake manifold pressure sensor circuit,
P1087
P1087 indicates that the fuel rail pressure is too low to maintain proper eng...
P1088
P1088 indicates a performance issue with the fuel pressure regulator.
P1089
DTC P1089 indicates a fuel pressure regulator control circuit issue that affe...
P108A
DTC P108A signals an issue with the fuel pressure sensor performance.
P108B
P108B indicates a fuel pressure sensor problem affecting engine performance.
P108C
DTC P108C indicates a fuel rail pressure sensor issue affecting engine perfor...
P108D
P108D indicates a problem with the fuel pressure sensor in Ford and Lincoln v...
P108E
P108E indicates a problem with the fuel pressure sensor, affecting fuel deliv...
P108F
P108F indicates an issue with the intake air temperature sensor,
P1090
P1090 indicates a fuel pressure sensor circuit issue.
P1091
DTC P1091 signifies low fuel pressure detected by the engine control module.
P1092
P1092 indicates a fuel pressure sensor circuit issue, affecting engine perfor...
P1093
DTC P1093 refers to a fuel pressure sensor issue that can affect engine perfo...
P1094
P1094 indicates a low input signal from the fuel pressure sensor,
P1095
P1095 signifies a fuel pressure regulator performance issue.
P1096
DTC P1096 indicates low fuel rail pressure, which can affect engine performan...
P1097
P1097 indicates low fuel rail pressure, which can lead to poor performance an...
P1098
P1098 means the fuel rail pressure is too low, affecting engine performance.
P1099
DTC P1099 signifies a performance issue with the fuel pressure sensor.
P109A
DTC P109A indicates a problem with the fuel pressure sensor's range or perfor...
P109B
P109B indicates low fuel pressure, affecting engine performance.
P109C
Indicates a fuel rail pressure sensor range or performance issue,
P109D
P109D indicates a fuel pressure sensor issue.
P109E
The P109E code indicates a problem with the fuel pressure sensor circuit.
P109F
P109F indicates a fuel pressure regulator performance problem.
P10A0
P10A0 indicates a performance issue within the Powertrain Control Module.
P10A1
DTC P10A1 indicates a problem with the fuel pressure regulation system,
P10A2
DTC P10A2 indicates a problem with the air-fuel mixture in the engine control...
P10A3
P10A3 indicates an issue with the intake air temperature sensor circuit.
P10A4
DTC P10A4 indicates an issue with the fuel pressure regulator affecting the e...
P10A5
The P10A5 code indicates a malfunction in the air-fuel mixture sensor,
P10A6
DTC P10A6 indicates a malfunction in the Fuel Pump Control Module.
P10A7
P10A7 indicates a problem with the EGR sensor circuit.
P10A8
P10A8 indicates a problem with the intake air temperature sensor circuit.
P10A9
P10A9 indicates a problem with the hybrid battery performance.
P10AA
The P10AA code indicates a lean fuel condition in the engine's air-fuel mixture.
P10AB
P10AB indicates a problem with the fuel pump control module's performance.
P10AC
DTC P10AC signals a turbocharger boost control position sensor issue,
P10AD
The P10AD code indicates a problem with the hybrid battery voltage sensor per...
P10AE
P10AE indicates a malfunction in the fuel pump control module.
P10AF
DTC P10AF indicates a problem with the air-fuel mixture in your vehicle,
P10B0
The P10B0 code indicates a malfunction related to the engine's air-fuel ratio.
P10B1
P10B1 indicates a malfunction in the Engine Control Module's performance.
P10B2
The P10B2 code indicates a malfunction in the air-fuel ratio sensor or fuel c...
P10B3
P10B3 indicates a throttle position sensor performance problem.
P10B4
DTC P10B4 indicates a malfunction in the air-fuel mixture system.
P10B5
P10B5 indicates a problem with the Fuel Pump Control Module circuit.
P10B6
DTC P10B6 indicates a malfunction in the air-fuel ratio sensor circuit,
P10B7
The P10B7 code indicates a problem with the turbocharger bypass valve positio...
P10B8
The P10B8 code signifies an issue with the intake air temperature sensor.
P10B9
P10B9 signifies an issue with the air-fuel ratio sensor or fuel delivery system.
P10BA
DTC P10BA indicates low fuel flow in the fuel system.
P10BB
The P10BB code indicates a problem with the intake air temperature sensor cir...
P10BC
P10BC indicates a malfunction in the air-fuel mixture control system of the e...
P10BD
P10BD indicates a fuel system pressure problem that can affect engine perform...
P10BE
DTC P10BE indicates a malfunction in the air-fuel mixture system,
P10BF
The P10BF code indicates a performance issue with the Engine Control Module (...
P10C0
DTC P10C0 indicates a problem with the engine coolant temperature sensor circ...
P10C1
The P10C1 code indicates a malfunction in the intake air temperature sensor c...
P10C2
P10C2 indicates a problem with the electronic control module related to engin...
P10C3
The P10C3 code indicates a malfunction in the turbo boost control system,
P10C4
P10C4 indicates an issue with the air-fuel mixture sensor, affecting engine p...
P10C5
DTC P10C5 indicates a malfunction in the air-fuel mixture control or turbocha...
P10C6
P10C6 indicates a problem with the fuel delivery system, specifically related...
P10C7
The P10C7 code indicates a problem with the fuel pressure sensor,
P10C8
DTC P10C8 indicates a potential issue with the air-fuel mixture controlled by...
P10C9
The P10C9 code indicates a fault in the fuel rail pressure sensor circuit.
P10CA
Indicates a malfunction in the vehicle's turbocharger or supercharger boost c...
P10CB
P10CB refers to a malfunction in the secondary air injection system related t...
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