P1142 MAZDA HO2S12 Heater Circuit High
Possible causes – Faulty HO2S12– HO2S12 harness is open or shorted– HO2S12 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
Possible causes – Faulty HO2S12– HO2S12 harness is open or shorted– HO2S12 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
Possible causes – Faulty Mass Air Flow (MAF) Sensor– Mass Air Flow Sensor harness is open or shorted– Mass Air Flow Sensor circuit poor electrical connection– Check for vacuum leaks Symptoms – Engine Light ON (or Service Engine Soon Warning
Possible causes – Faulty Mass Air Flow (MAF) Sensor– Mass Air Flow Sensor harness is open or shorted– Mass Air Flow Sensor circuit poor electrical connection– Check for vacuum leaks Symptoms – Engine Light ON (or Service Engine Soon Warning
Possible causes – Faulty Mass Air Flow Sensor– Mass Air Flow Sensor harness is open or shorted– Mass Air Flow Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
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 code detected? The Engine Control
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 code detected? The Engine Control
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 code detected? The Engine Control
Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1142 Description Fuel Restriction Condition is one of the definitions for the P1142; however your vehicle’s manufacturer may have a different definition for the P1142 code. Please check below
Symptoms – Engine Light ON (or Service Engine Soon Warning Light)