Possible causes – Faulty Front Oxygen Sensor– Front Oxygen Sensor harness is open or shorted– Front Oxygen Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
Tag: SUBARU
P1134 SUBARU Front Oxygen Sensor Microcomputer Problem
Possible causes – Faulty Front Oxygen Sensor– Front Oxygen Sensor harness is open or shorted– Front Oxygen Sensor circuit poor electrical connection– Faulty Engine Control Module (ECM) Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
P0462 SUBARU Fuel Level Sensor Circuit Low Input
Possible causes – Faulty fuel level sensor– Fuel level sensor harness is open or shorted– Fuel level sensor circuit poor electrical connection Tech description Low fuel level can trigger this code. Before replacing any parts try filling up the fuel tank and erasing the engine code. If the problem persist it may be necessary to…
P0152 SUBARU HO2S21 Circuit High Voltage
Possible causes – Faulty Front Heated Oxygen Sensor Bank 2– Intake air leaks may be faulty– Exhaust gas leaks– Front Heated Oxygen Sensor Bank 2 harness is open or shorted– Front Heated Oxygen Sensor Bank 2 circuit poor electrical connection– Inappropriate fuel pressure– Faulty fuel injectors Tech description Replacing the Front Heated Oxygen Sensor Bank…
P0172 SUBARU System Too Rich Bank 1
Possible causes – Faulty front heated oxygen sensor– Ignition misfiring– Faulty fuel injectors– Exhaust gas leaks– Incorrect fuel pressure – Faulty Mass Air Flow (MAF) sensor When is the obd code mean? – Fuel injection system does not operate properly.– The amount of mixture ratio compensation is too large. (The mixture ratio is too rich.)…
P0175 SUBARU System Too Rich Bank 2
Possible causes – Faulty front heated oxygen sensor– Ignition misfiring– Faulty fuel injectors– Exhaust gas leaks– Incorrect fuel pressure– Faulty Mass Air Flow (MAF) sensor When is the obd code mean? – Fuel injection system does not operate properly.– The amount of mixture ratio compensation is too large. (The mixture ratio is too rich.) Symptoms…
P1312 SUBARU Exhaust Temperature Sensor Malfunction
Possible causes – Faulty Exhaust Temperature Sensor– Exhaust Temperature Sensor harness is open or shorted– Exhaust Temperature Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
P0480 SUBARU Cooling Fan 1 Control Circuit Malfunction
Possible causes – Faulty fan control relay– Fan control relay harness is open or shorted– Fan control relay circuit poor electrical connection– Faulty cooling fan 1– Fan cooling fan harness is open or shorted– Fan cooling fan circuit poor electrical connection When is the obd code mean? The P0480 code is detected when the Powertrain…
P0483 SUBARU Cooling Fan Rationality Check Malfunction
Possible causes – Faulty fan control relay– Faulty cooling fan– Fan control relay harness is open or shorted– Fan control relay circuit poor electrical connection– Fan cooling fan harness is open or shorted– Fan cooling fan circuit poor electrical connection When is the obd code mean? The P0483 code is detected when the Powertrain Control…
P0133 SUBARU HO2S11 Circuit Slow Response
Possible causes – Faulty Front Heated Oxygen Sensor Bank 1– Front Heated Oxygen Sensor Bank 1 harness is open or shorted– Front Heated Oxygen Sensor Bank 1 circuit poor electrical connection– Inappropriate fuel pressure– Faulty fuel injectors– Intake air leaks may be faulty– Exhaust gas leaks Tech description Replacing the Front Heated Oxygen Sensor Bank…