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P0100/P0199 OBD-II TROUBLE CODES
Trouble codes P0100 through P0199 typically indicate a malfunction of an emission sensor/s responsible for collecting data used in determining correct air to fuel ratio. Optimum air/fuel mixture is needed, as well as accurate ignition timing, in order to produce complete and efficient fuel combustion.

These emissions sensors are responsible for sending vital data allowing the vehicle's ECU (engine control unit) to determine how much fuel to present to the intake air. These codes are generic and will apply to all makes and models of vehicles 1996 and newer.

Bank 1 and Bank 2 describe the location of the component in reference to the left or right side of the engine. Bank 1 is whichever side cylinder number 1 is located. It could be the left side (driver side) or right. Bank 2 is the other side.

Sensor 1 indicates the component is located before the catalytic converter. Sensor 2 indicates the component is located after the catalytic converter.

Trouble Code P0100....Mass or Volume Air Flow Circuit

Trouble Code P0101....Mass or Volume Air Flow Circuit Range/Performance Problem

Trouble Code P0102....Mass or Volume Air Flow Circuit Low Input

Trouble Code P0103....Mass or Volume Air Flow Circuit High Input

Trouble Code P0104....Mass or Volume Air Flow Circuit Intermittent

Trouble Code P0105....Manifold Absolute Pressure/Barometric Pressure Circuit

Trouble Code P0106....Manifold Absolute Pressure/Barometric Pressure Circuit Range/Performance Problem

Trouble Code P0107....Manifold Absolute Pressure/Barometric Pressure Circuit Low Input

Trouble Code P0108....Manifold Absolute Pressure/Barometric Pressure Circuit High Input

Trouble Code P0109....Manifold Absolute Pressure/Barometric Pressure Circuit Intermittent

Trouble Code P0110....Intake Air Temperature Circuit

Trouble Code P0111....Intake Air Temperature Circuit Range/Performance Problem

Trouble Code P0112....Intake Air Temperature Circuit Low Input

Trouble Code P0113....Intake Air Temperature Circuit High Input

Trouble Code P0114....Intake Air Temperature Circuit Intermittent

Trouble Code P0115....Engine Coolant Temperature Circuit

Trouble Code P0116....Engine Coolant Temperature Circuit Range/Performance Problem

Trouble Code P0117....Engine Coolant Temperature Circuit Low Input

Trouble Code P0118....Engine Coolant Temperature Circuit High Input

Trouble Code P0119....Engine Coolant Temperature Circuit Intermittent

Trouble Code P0120....Throttle/Pedal Position Sensor/Switch A Circuit

Trouble Code P0121....Throttle/Pedal Position Sensor/Switch A Circuit Range/Performance Problem

Trouble Code P0122....Throttle/Pedal Position Sensor/Switch A Circuit Low Input

Trouble Code P0123....Throttle/Pedal Position Sensor/Switch A Circuit High Input

Trouble Code P0124....Throttle/Pedal Position Sensor/Switch A Circuit Intermittent

Trouble Code P0125....Insufficient Coolant Temperature for Closed Loop Fuel Control

Trouble Code P0126....Insufficient Coolant Temperature for Stable Operation

Trouble Code P0127....Intake Air Temperature Too High

Trouble Code P0128....Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)

Trouble Code P0130....O2 Sensor Circuit (Bank 1 Sensor 1)

Trouble Code P0131....O2 Sensor Circuit Low Voltage (Bank 1 Sensor 1)

Trouble Code P0132....O2 Sensor Circuit High Voltage (Bank 1 Sensor 1)

Trouble Code P0133....O2 Sensor Circuit Slow Response (Bank 1 Sensor 1)

Trouble Code P0134....O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 1)

Trouble Code P0135....O2 Sensor Heater Circuit (Bank 1 Sensor 1)

Trouble Code P0136....O2 Sensor Circuit Malfunction (Bank 1 Sensor 2)

Trouble Code P0137....O2 Sensor Circuit Low Voltage (Bank 1 Sensor 2)

Trouble Code P0138....O2 Sensor Circuit High Voltage (Bank 1 Sensor 2)

Trouble Code P0139....O2 Sensor Circuit Slow Response (Bank 1 Sensor 2)

Trouble Code P0140....O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 2)

Trouble Code P0141....O2 Sensor Heater Circuit (Bank 1 Sensor 2)

Trouble Code P0142....O2 Sensor Circuit Malfunction (Bank 1 Sensor 3)

Trouble Code P0143....O2 Sensor Circuit Low Voltage (Bank 1 Sensor 3)

Trouble Code P0144....O2 Sensor Circuit High Voltage (Bank 1 Sensor 3)

Trouble Code P0145....O2 Sensor Circuit Slow Response (Bank 1 Sensor 3)

Trouble Code P0146....O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 3)

Trouble Code P0147....O2 Sensor Heater Circuit (Bank 1 Sensor 3)

Trouble Code P0148....Fuel Delivery Error

Trouble Code P0149....Fuel Timing Error

Trouble Code P0150....O2 Sensor Circuit (Bank 2 Sensor 1)

Trouble Code P0151....O2 Sensor Circuit Low Voltage (Bank 2 Sensor 1)

Trouble Code P0152....O2 Sensor Circuit High Voltage (Bank 2 Sensor 1)

Trouble Code P0153....O2 Sensor Circuit Slow Response (Bank 2 Sensor 1)

Trouble Code P0154....O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 1)

Trouble Code P0155....O2 Sensor Heater Circuit (Bank 2 Sensor 1)

Trouble Code P0156....O2 Sensor Circuit Malfunction (Bank 2 Sensor 2)

Trouble Code P0157....O2 Sensor Circuit Low Voltage (Bank 2 Sensor 2)

Trouble Code P0158....O2 Sensor Circuit High Voltage (Bank 2 Sensor 2)

Trouble Code P0159....O2 Sensor Circuit Slow Response (Bank 2 Sensor 2)

Trouble Code P0160....O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 2)

Trouble Code P0161....O2 Sensor Heater Circuit (Bank 2 Sensor 2)

Trouble Code P0162....O2 Sensor Circuit Malfunction (Bank 2 Sensor 3)

Trouble Code P0163....O2 Sensor Circuit Low Voltage (Bank 2 Sensor 3)

Trouble Code P0164....O2 Sensor Circuit High Voltage (Bank 2 Sensor 3)

Trouble Code P0165....O2 Sensor Circuit Slow Response (Bank 2 Sensor 3)

Trouble Code P0166....O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 3)

Trouble Code P0167....O2 Sensor Heater Circuit (Bank 2 Sensor 3)

Trouble Code P0168....Fuel Temperature Too High

Trouble Code P0169....Incorrect Fuel Composition

Trouble Code P0170....Fuel Trim (Bank 1)

Trouble Code P0171....System too Lean (Bank 1)

Trouble Code P0172....System too Rich (Bank 1)

Trouble Code P0173....Fuel Trim Malfunction (Bank 2)

Trouble Code P0174....System too Lean (Bank 2)

Trouble Code P0175....System too Rich (Bank 2)

Trouble Code P0176....Fuel Composition Sensor Circuit

Trouble Code P0177....Fuel Composition Sensor Circuit Range/Performance

Trouble Code P0178....Fuel Composition Sensor Circuit Low Input

Trouble Code P0179....Fuel Composition Sensor Circuit High Input

Trouble Code P0180....Fuel Temperature Sensor A Circuit

Trouble Code P0181....Fuel Temperature Sensor A Circuit Range/Performance

Trouble Code P0182....Fuel Temperature Sensor A Circuit Low Input

Trouble Code P0183....Fuel Temperature Sensor A Circuit High Input

Trouble Code P0184....Fuel Temperature Sensor A Circuit Intermittent

Trouble Code P0185....Fuel Temperature Sensor B Circuit

Trouble Code P0186....Fuel Temperature Sensor B Circuit Range/Performance

Trouble Code P0187....Fuel Temperature Sensor B Circuit Low Input

Trouble Code P0188....Fuel Temperature Sensor B Circuit High Input

Trouble Code P0189....Fuel Temperature Sensor B Circuit Intermittent

Trouble Code P0190....Fuel Rail Pressure Sensor Circuit

Trouble Code P0191....Fuel Rail Pressure Sensor Circuit Range/Performance

Trouble Code P0192....Fuel Rail Pressure Sensor Circuit Low In put

Trouble Code P0193....Fuel Rail Pressure Sensor Circuit High Input

Trouble Code P0194....Fuel Rail Pressure Sensor Circuit Intermittent

Trouble Code P0195....Engine Oil Temperature Sensor

Trouble Code P0196....Engine Oil Temperature Sensor Range/Performance

Trouble Code P0197....Engine Oil Temperature Sensor Low

Trouble Code P0198....Engine Oil Temperature Sensor High

Trouble Code P0199....Engine Oil Temperature Sensor Intermittent

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