What Does P0144 Mean? The Rear Catalyst Monitoring Oxygen Sensor evaluates the rear most Catalytic Converter's emissions-reducing capability in a...
What Does P0143 Mean? P0143 is the OBD-II generic code indicating that the Engine Control Module (ECM) input from the O2 sensor circuit for bank...
What Does P0142 Mean? OBD-II Code P0142 is defined as a O2 Sensor Circuit The purpose of the oxygen sensor is to measure the oxygen content in...
What Does P0141 Mean? Modern vehicles use both an upstream and downstream oxygen sensor. The upstream oxygen sensor (O2S) is located ahead of the...
What Does P0140 Mean? The oxygen sensor (O2 sensor) that is located on bank 1, sensor 2 relies on a 0.45V voltage reference generated by the...
What Does P0139 Mean? P0139 is the OBD-II generic code indicating that the O2 sensor for bank 1 sensor 2 failed to have a voltage drop below .2...
What Does P0138 Mean? The internal combustion engine ignites a hydrocarbon (HC) fuel, combining it with oxygen (O2), using the resulting energy...
What Does P0137 Mean? P0137 is the OBD-II generic code indicating the O2 sensor for bank 1 sensor 2 is failing to increase the voltage output...
What Does P0136 Mean? A P0136 code may indicates that the the powertrain computer or PCM detects that the oxygen sensor voltage has remained...
What Does P0135 Mean? The upstream oxygen sensor (O2S) is located ahead of the catalytic converter. It is used to determine the concentration of...
What Does P0134 Mean? Code P0134 is triggered when the powertrain control module or PCM determines that the oxygen sensor voltage is hovering...
What Does P0133 Mean? Bank 1 Sensor 1 is a sensor that is used by the computer (ECM) to monitor the amount of oxygen exiting the engine. The ECM...
What Does P0132 Mean? OBD-II Code P0132 is caused by an oxygen sensor circuit high voltage (Bank 1, Sensor 1). This code is triggered when the...
What Does P0131 Mean? P0131 is telling us there is a fault in the oxygen sensor, located in the bank 1 sensor 1 location of the vehicle. This is...
What Does P0130 Mean? This code may be triggered when the powertrain computer or PCM determines that the oxygen sensor voltage or the the air...
What Does P0129 Mean? OBD-II Code P0129 is defined as a Barometric Pressure Too Low The engine control module (PCM) uses a Pressure sensor in...
What Does P0128 Mean? The OBDII trouble code P0128 - Coolant Temperature Below Thermostat Regulating Temperature means that the engine does not...
What Does P0127 Mean? OBD II fault code P0127 is a generic code that is defined as “Intake air temperature too high”, and is set when the PCM...
What Does P0126 Mean? In order for the Powertrain Control Module or PCM to effectively control the fuel and ignition systems while, at the same...
What Does P0125 Mean? This means that the engine coolant temperature (ECT) sensor indicates that the engine has not reached the required...
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