Category: BMW

P0179 BMW Fuel Composition Sensor Circuit High Input Possible causes – Flexible Fuel (FF) sensor to Vehicle Power (VPWR) circuit harness open or shorted– FF to VPWR circuit poor electrical connection– Open in FF sensor signal circuit– Short to ground in FF sensor signal circuit– Fuel contamination Tech description Replaced Fuel Composition Sensor Symptoms –…

P0180 BMW Engine Fuel Temperature Sensor A Circuit Possible causes – Faulty Engine Fuel Temperature Sensor– Engine Fuel Temperature Sensor harness is open or shorted– Engine Fuel Temperature Sensor circuit poor electrical connection What about the obd code? An excessively high or low voltage is sent to Powertrain Control Module (PCM) by the Engine Fuel…

P0181 BMW Fuel Temperature Sensor Circuit Range/Performance Possible causes – Faulty Fuel Temperature Sensor– Fuel Temperature Sensor harness is open or shorted– Fuel Temperature Sensor circuit poor electrical connection What about the obd code? Rationally incorrect voltage from the sensor is sent to ECM, compared with the voltage signals from engine coolant temperature sensor and…

P0182 BMW Fuel Temperature Sensor Circuit Low Input Possible causes – Faulty Fuel Temperature Sensor– Fuel Temperature Sensor harness is open or shorted– Fuel Temperature Sensor circuit poor electrical connection– Electric throttle control actuator– Accelerator pedal position sensor What about the obd code? An excessively low voltage from the sensor is sent to ECM. Symptoms…

P0173 BMW Fuel System 2/1 Rich Control Over Limit Possible causes – Faulty front heated oxygen sensor– Ignition misfiring– Faulty fuel injectors– Exhaust gas leaks– Manifold Absolute Pressure (MAP) Sensor What about the obd code? – Fuel injection system does not operate properly.– The amount of mixture ratio compensation is not correct Symptoms – Engine…

P0174 BMW Fuel Trim System Lean Bank 2 Possible causes – Intake air leaks– Faulty front heated oxygen sensor– Ignition misfiring– Faulty fuel injectors– Exhaust gas leaks– Incorrect fuel pressure– Lack of fuel– Faulty Mass Air Flow (MAF) sensor– Incorrect Positive Crankcase Ventilation (PCV) hose connection Tech description If the P0171 BMW is combined with…

P0175 BMW Fuel Injection 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 What about the obd code? – Fuel injection system does not operate properly.– The amount of mixture ratio compensation is too…

P0176 BMW Fuel Composition Sensor Circuit Malfunction Possible causes – Flexible Fuel (FF) sensor to Vehicle Power (VPWR) circuit harness open or shorted– FF to VPWR circuit poor electrical connection– Open in FF sensor signal circuit– Short to ground in FF sensor signal circuit – Fuel contamination Symptoms – Engine Light ON (or Service Engine…

P0177 BMW Fuel Composition Sensor Circuit Range/Performance Possible causes – Flexible Fuel (FF) sensor to Vehicle Power (VPWR) circuit harness open or shorted– FF to VPWR circuit poor electrical connection– Open in FF sensor signal circuit– Short to ground in FF sensor signal circuit – Fuel contamination Tech description Replaced Fuel Composition Sensor Symptoms –…

P0169 BMW Water In Fuel Light On Too Long Possible causes – Water in fuel– Faulty Water In Fuel (WIF) Sensor Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0169 BMW Description The ECM has detected that the WIF light has remained on longer than expected BMW Vehicle:BMW F650GS,BMW F800S,BMW F800ST,BMW G450X,BMW…

P0170 BMW Fuel Trim Bank 1 Possible causes – Intake air leaks– Faulty front heated oxygen sensor– Ignition misfiring– Faulty fuel injectors– Exhaust gas leaks– Incorrect fuel pressure– Lack of fuel– Faulty Mass Air Flow (MAF) sensor– Incorrect Positive Crankcase Ventilation (PCV) hose connection Tech description Dirty air filter, air filter housing or Mass Air…

P0171 BMW Fuel Trim System Lean Bank 1 Possible causes – Intake air leaks– Faulty front heated oxygen sensor– Ignition misfiring– Faulty fuel injectors– Exhaust gas leaks– Incorrect fuel pressure– Lack of fuel– Faulty Mass Air Flow (MAF) sensor– Incorrect Positive Crankcase Ventilation (PCV) hose connection Tech description If the P0171 BMW is combined with…

P0172 BMW Fuel Injection 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 What about the obd code? – Fuel injection system does not operate properly.– The amount of mixture ratio compensation is…

P0164 BMW O2 Sensor Circuit High Voltage Bank 2 Sensor 3 Possible causes – Faulty Heated Oxygen Sensor Bank 2 Sensor 3– Heated Oxygen Sensor Bank 2 Sensor 3 harness is open or shorted– Heated Oxygen Sensor Bank 2 Sensor 3 circuit poor electrical connection Tech description Replacing the O2 Sensor 3 usually takes care…

P0165 BMW O2 Sensor Circuit Slow Response Bank 2 Sensor 3 Possible causes – Faulty Heated Oxygen Sensor Bank 2 Sensor 3– Heated Oxygen Sensor Bank 2 Sensor 3 harness is open or shorted– Heated Oxygen Sensor Bank 2 Sensor 3 circuit poor electrical connection Tech description Replacing the O2 Sensor 3 usually takes care…

P0166 BMW O2 Sensor Circuit No Activity Detected Bank 2 Sensor 3 Possible causes – Faulty Heated Oxygen Sensor Bank 2 Sensor 3– Heated Oxygen Sensor Bank 2 Sensor 3 harness is open or shorted– Heated Oxygen Sensor Bank 2 Sensor 3 circuit poor electrical connection Tech description Replacing the O2 Sensor 3 usually takes…

P0167 BMW O2 Sensor Heater Circuit Malfunction Bank 2 Sensor 3 Possible causes – Faulty Heated Oxygen Sensor Bank 2 Sensor 3– Heated Oxygen Sensor Bank 2 Sensor 3 harness is open or shorted– Heated Oxygen Sensor Bank 2 Sensor 3 circuit poor electrical connection Tech description Replacing the O2 Sensor 3 usually takes care…

P0168 BMW Fuel Temperature Too High Symptoms – Engine Light ON (or Service Engine Soon Warning Light) BMW Vehicle:BMW F650GS,BMW F800S,BMW F800ST,BMW G450X,BMW G650 Xmoto,BMW R1200GS,BMW R1200R,BMW R1200RT,BMW R1200S,BMW K1200LT,BMW K1300GT,BMW K1300R,BMW K1300S,BMW K1600GT and K1600GTL,BMW S1000RR,BMW E36/5,BMW E36/7,BMW E36/8,BMW E38,BMW E38/2,BMW E38/3,BMW E39,BMW E46/5,BMW E46/4,BMW E46/3,BMW E46/2,BMW E46/C,BMW E52,BMW E53,BMW E60,BMW E61,BMW E62,BMW E63,BMW…

P0160 BMW HO2S22 Sensor Circuit No Activity Detected Possible causes – Faulty Rear Heated Oxygen Sensor Bank 2– Rear Heated Oxygen Sensor Bank 2 harness is open or shorted– Rear Heated Oxygen Sensor Bank 2 circuit poor electrical connection– Inappropriate fuel pressure– Faulty fuel injectors– Intake air leaks may be faulty– Exhaust gas leaks Tech…

P0161 BMW O2 Sensor Heater Circuit Malfunction Bank 2 Sensor 2 Possible causes – Faulty Rear Heated Oxygen Sensor Bank 2– Rear Heated Oxygen Sensor Bank 2 harness is open or shorted– Rear Heated Oxygen Sensor Bank 2 circuit poor electrical connection– Inappropriate fuel pressure– Faulty fuel injectors– Intake air leaks may be faulty– Exhaust…