Tag: TOYOTA

Possible causes – Faulty Front Heated Oxygen Sensor Bank 2– 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– Intake air leaks– Exhaust gas leaks Tech description Replacing the Front Heated Oxygen Sensor Bank 2 usually takes…

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…

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.)…

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…

Possible causes – Faulty fuel pump relay– Fuel pump harness is open or shorted– Fuel pump circuit poor electrical connection– Faulty fuel pump control module (if applicable) Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0627 TOYOTA OBD Code Description The Engine Control Module (ECM) has detected an open or short in…

Possible causes – Faulty fuel pump– Blocked fuel filter– Faulty fuel pressure sensor– Fuel pressure sensor harness is open or shorted– Fuel pressure sensor electrical circuit poor connection– Faulty Fuel injector When is the obd code mean? The Engine Control Module (ECM) has determined that the fuel rail pressure is too high for a specific…

Possible causes – Faulty fuel pump– Blocked fuel filter– Faulty fuel pressure sensor– Fuel pressure sensor harness is open or shorted– Fuel pressure sensor electrical circuit poor connection– Faulty Fuel injector When is the obd code mean? The Engine Control Module (ECM) has determined that the fuel rail pressure is too low for a specific…

Possible causes – Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 circuit fuse– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 circuit open shorted to ground– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 circuit poor electrical connection– Faulty Engine Control Module (ECM) Tech description The…

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…

Possible causes – Faulty Engine Coolant Temperature (ECT) sensor for HST– Low engine coolant level– Engine Coolant Temperature (ECT) sensor for HST harness is open or shorted– Engine Coolant Temperature (ECT) sensor for HST electrical circuit poor connection– Faulty engine coolant thermostat Symptoms – Engine Light ON (or Service Engine Soon Warning Light)