Description Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1143 Alfa Romeo OBD Code Description Heated Oxygen Sensor 1 Lean Shift Monitoring Bank 1 is one of the definitions for the P1143 Alfa Romeo; however your vehicle’s manufacturer may have a different definition for the P1143 Alfa Romeo code. Please check below…
Tag: P1143
P1143 Acura Heated Oxygen Sensor 1 Lean Shift Monitoring Bank 1
Description Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1143 Acura OBD Code Description Heated Oxygen Sensor 1 Lean Shift Monitoring Bank 1 is one of the definitions for the P1143 Acura; however your vehicle’s manufacturer may have a different definition for the P1143 Acura code. Please check below for your specific…
P1143 VOLKSWAGEN Load Calculation Cross Check Upper Limit Exceeded
Possible causes – Faulty Mass Air Flow (MAF) Sensor– Vacuum leaks– Throttle system errors Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
P1143 SUBARU Pressure Sensor Circuit Low Input
Possible causes – Faulty Pressure Sensor– Pressure Sensor harness is open or shorted– Pressure Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
P1143 NISSAN Heated Oxygen Sensor 1 Lean Shift Monitoring Bank 1
Possible causes – Faulty Front Heated Oxygen Sensor Bank 1– Intake air leaks– Front Heated Oxygen Sensor Bank 1 harness is open or shorted– Front Heated Oxygen Sensor Bank 1 circuit poor electrical connection– Fuel pressure– Injectors Tech description If there are no intake air leaks, the most likely cause of the P1143 code is…
P1143 JEEP Fuel Rail Pressure Malfunction Positive Pressure Deviation
Possible causes – Incorrect fuel pressure– Faulty Fuel Rail Pressure Solenoid– Fuel Rail Pressure Solenoid harness is open or shorted– Fuel Rail Pressure Solenoid circuit poor electrical connection– Air in fuel system When is the obd code mean? The Engine Control Module (ECM) has determined that the fuel rail pressure is too high for a…
P1143 INFINITI Heated Oxygen Sensor 1 Lean Shift Monitoring Bank 1
Possible causes – Faulty Front Heated Oxygen Sensor Bank 1– Intake air leaks– Front Heated Oxygen Sensor Bank 1 harness is open or shorted– Front Heated Oxygen Sensor Bank 1 circuit poor electrical connection– Fuel pressure– Injectors Tech description If there are no intake air leaks, the most likely cause of the P1143 code is…
P1143 GMC HO2S Bank 1 Sensor 3 Lean System or Low Voltage
Possible causes – Faulty Oxygen Sensor Bank 1– Oxygen Sensor Bank 1 harness is open or shorted– Oxygen Sensor Bank 1 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
P1143 DODGE Fuel Rail Pressure Malfunction Positive Pressure Deviation
Possible causes – Incorrect fuel pressure– Faulty Fuel Rail Pressure Solenoid– Fuel Rail Pressure Solenoid harness is open or shorted– Fuel Rail Pressure Solenoid circuit poor electrical connection– Air in fuel system When is the obd code mean? The Engine Control Module (ECM) has determined that the fuel rail pressure is too high for a…
P1143 CHRYSLER Fuel Rail Pressure Malfunction Positive Pressure Deviation
Possible causes – Incorrect fuel pressure– Faulty Fuel Rail Pressure Solenoid– Fuel Rail Pressure Solenoid harness is open or shorted– Fuel Rail Pressure Solenoid circuit poor electrical connection– Air in fuel system When is the obd code mean? The Engine Control Module (ECM) has determined that the fuel rail pressure is too high for a…