P0172 VOLKSWAGEN 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 VOLKSWAGEN 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…

P0201 VOLKSWAGEN Injector Circuit Open Cylinder 1

Possible causes – Faulty fuel injector 1– Fuel Injector 1 harness is open or shorted– Fuel injector 1 circuit poor electrical connection When is the obd code mean? The P0201 is set if the Engine Control Module (ECM) is detects a low or high voltage drop or resistance at the injector 1. Symptoms – Engine…

P0210 VOLKSWAGEN Injector Circuit Open Cylinder 10

Possible causes – Faulty fuel injector 10– Fuel Injector 10 harness is open or shorted– Fuel injector 10 circuit poor electrical connection When is the obd code mean? The P0210 is set if the Engine Control Module (ECM) is detects a low or high voltage drop or resistance at the injector 10. Symptoms – Engine…

P0211 VOLKSWAGEN Injector Circuit Open Cylinder 11

Possible causes – Faulty fuel injector 11– Fuel Injector 11 harness is open or shorted– Fuel injector 11 circuit poor electrical connection When is the obd code mean? The P0211 is set if the Engine Control Module (ECM) is detects a low or high voltage drop or resistance at the injector 11. Symptoms – Engine…

P0212 VOLKSWAGEN Injector Circuit Open Cylinder 12

Possible causes – Faulty fuel injector 12– Fuel Injector 12 harness is open or shorted– Fuel injector 12 circuit poor electrical connection When is the obd code mean? The P0212 is set if the Engine Control Module (ECM) is detects a low or high voltage drop or resistance at the injector 12. Symptoms – Engine…

P0151 VOLKSWAGEN HO2S21 Sensor Circuit Low Voltage

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 may be faulty– Exhaust gas leaks Tech description Replacing the Front Heated Oxygen Sensor Bank…

P0153 VOLKSWAGEN HO2S21 Sensor Circuit Slow Response

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…

P0152 VOLKSWAGEN HO2S21 Sensor 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…