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.)…
Tag: SUBARU
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…
P1140 SUBARU Front Left Oxygen Sensor Heater Circuit Range
Possible causes – Faulty Front Left Oxygen Sensor– Front Left Oxygen Sensor harness is open or shorted– Front Left Oxygen Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
P1137 SUBARU Front Oxygen A/F Sensor 11 Circuit Range/Performance Problem
Possible causes – Faulty Front Oxygen A/F Sensor 11– Front Oxygen A/F Sensor 11 harness is open or shorted– Front Oxygen A/F Sensor 11 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
P1139 SUBARU Front Oxygen A/F Sensor #1 Heater Circuit Performance/Range Problem
Possible causes – Faulty Front Oxygen A/F Sensor 11– Front Oxygen A/F Sensor 11 harness is open or shorted– Front Oxygen A/F Sensor 11 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
P1132 SUBARU Front Oxygen Sensor Heater Circuit Low Input
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) P1132 SUBARU OBD Code Description A Heated Exhaust Oxygen (HO2S) sensor indicating rich at the end of a test is trying to…
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…
P0134 SUBARU HO2S11 No Activity Detected
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…
P0132 SUBARU HO2S11 Circuit High Voltage
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 O2 Sensor 1 usually takes…