P0400 NISSAN Exhaust Gas Recirculation Function- No/Low Flow Detected

Possible causes – Exhaust Gas Recirculation (EGR) volume control valve stuck closed– Faulty Exhaust Gas Recirculation (EGR) volume control solenoid valve– Faulty EGR Valve– Faulty EGR temperature sensor and circuit– Exhaust Gas Recirculation (EGR) solenoid valve harness is open or shorted– Exhaust Gas Recirculation (EGR) solenoid valve circuit poor electrical connection– Dead (Weak) battery Tech…

P0400 1998 NISSAN ALTIMA SEDAN Exhaust Gas Recirculation Function- No/Low Flow Detected

Possible causes – Exhaust Gas Recirculation (EGR) volume control valve stuck closed– Faulty Exhaust Gas Recirculation (EGR) volume control solenoid valve– Faulty EGR Valve– Faulty EGR temperature sensor and circuit– Exhaust Gas Recirculation (EGR) solenoid valve harness is open or shorted– Exhaust Gas Recirculation (EGR) solenoid valve circuit poor electrical connection– Dead (Weak) battery Tech…

P0400 1998 NISSAN ALTIMA SEDAN Exhaust Gas Recirculation Function- No/Low Flow Detected

Possible causes – Exhaust Gas Recirculation (EGR) volume control valve stuck closed– Faulty Exhaust Gas Recirculation (EGR) volume control solenoid valve– Faulty EGR Valve– Faulty EGR temperature sensor and circuit– Exhaust Gas Recirculation (EGR) solenoid valve harness is open or shorted– Exhaust Gas Recirculation (EGR) solenoid valve circuit poor electrical connection– Dead (Weak) battery Tech…

P0400 1999 NISSAN ALTIMA SEDAN Exhaust Gas Recirculation Function- No/Low Flow Detected

Possible causes – Exhaust Gas Recirculation (EGR) volume control valve stuck closed– Faulty Exhaust Gas Recirculation (EGR) volume control solenoid valve– Faulty EGR Valve– Faulty EGR temperature sensor and circuit– Exhaust Gas Recirculation (EGR) solenoid valve harness is open or shorted– Exhaust Gas Recirculation (EGR) solenoid valve circuit poor electrical connection– Dead (Weak) battery Tech…

P0400 2001 NISSAN ALTIMA SEDAN Exhaust Gas Recirculation Function- No/Low Flow Detected

Possible causes – Exhaust Gas Recirculation (EGR) volume control valve stuck closed– Faulty Exhaust Gas Recirculation (EGR) volume control solenoid valve– Faulty EGR Valve– Faulty EGR temperature sensor and circuit– Exhaust Gas Recirculation (EGR) solenoid valve harness is open or shorted– Exhaust Gas Recirculation (EGR) solenoid valve circuit poor electrical connection– Dead (Weak) battery Tech…

P014C NISSAN Air Fuel Ratio Sensor 1 Bank 1 Circuit Slow Response

Possible causes – Faulty Air Fuel Ratio (A/F) Sensor 1 Bank 1– Air Fuel Ratio (A/F) Sensor 1 Bank 1 harness is open or shorted– Air Fuel Ratio (A/F) Sensor 1 Bank 1 circuit poor electrical connection Tech description Replacing the Air Fuel Ratio Sensor 1 Bank 1 usually takes care of the problem. When…

P014C NISSAN SENTRA Air Fuel Ratio Sensor 1 Bank 1 Circuit Slow Response

Possible causes – Faulty Air Fuel Ratio (A/F) Sensor 1 Bank 1– Air Fuel Ratio (A/F) Sensor 1 Bank 1 harness is open or shorted– Air Fuel Ratio (A/F) Sensor 1 Bank 1 circuit poor electrical connection Tech description Replacing the Air Fuel Ratio Sensor 1 Bank 1 usually takes care of the problem. When…

P014D NISSAN Air Fuel Ratio Sensor 1 Bank 1 Circuit Slow Response

Possible causes – Faulty Air Fuel Ratio (A/F) Sensor 1 Bank 1– Air Fuel Ratio (A/F) Sensor 1 Bank 1 harness is open or shorted– Air Fuel Ratio (A/F) Sensor 1 Bank 1 circuit poor electrical connection Tech description Replacing the Air Fuel Ratio Sensor 1 Bank 1 usually takes care of the problem. When…

P014D NISSAN SENTRA Air Fuel Ratio Sensor 1 Bank 1 Circuit Slow Response

Possible causes – Faulty Air Fuel Ratio (A/F) Sensor 1 Bank 1– Air Fuel Ratio (A/F) Sensor 1 Bank 1 harness is open or shorted– Air Fuel Ratio (A/F) Sensor 1 Bank 1 circuit poor electrical connection Tech description Replacing the Air Fuel Ratio Sensor 1 Bank 1 usually takes care of the problem. When…

P0605 NISSAN Engine Control Module Fault

Possible causes – Engine Control Module (ECM) may be faulty– ECM harness power supply circuit is open or shorted– ECM harness ground circuit is open or shorted Tech description Try erasing the code first, if the light comes back ON you may have to replaced the ECM to repair the problem. There is a factory…