P0401 LEXUS Exhaust Gas Recirculation Flow Insufficient Detected

Possible causes – EGR passage clogged– Faulty EGR Vacuum Modulator Valve– Faulty EGR Valve– Faulty EGR solenoid valve– EGR solenoid valve harness is open or shorted– EGR solenoid valve circuit poor electrical connection– Dead (Weak) battery– Faulty EGR temperature sensor and circuit– Exhaust gas leaks Tech description EGR flow malfunction could be caused by a…

P0401 KIA Exhaust Gas Recirculation Flow Insufficient Detected

Possible causes – EGR passage clogged– Faulty EGR Vacuum Modulator Valve– Faulty EGR Valve– Faulty EGR solenoid valve– EGR solenoid valve harness is open or shorted– EGR solenoid valve circuit poor electrical connection– Dead (Weak) battery– Faulty EGR temperature sensor and circuit– Exhaust gas leaks Tech description EGR flow malfunction could be caused by a…

P0401 JEEP Exhaust Gas Recirculation System Performance

Possible causes – EGR passage clogged– Faulty EGR Vacuum Modulator Valve– Faulty EGR Valve– Faulty EGR solenoid valve– EGR solenoid valve harness is open or shorted– EGR solenoid valve circuit poor electrical connection– Dead (Weak) battery– Faulty EGR temperature sensor and circuit– Exhaust gas leaks Tech description EGR flow malfunction could be caused by a…

P0401 ISUZU Exhaust Gas Recirculation Flow Insufficient Detected

Possible causes – EGR passage clogged– Faulty EGR Vacuum Modulator Valve– Faulty EGR Valve– Faulty EGR solenoid valve– EGR solenoid valve harness is open or shorted– EGR solenoid valve circuit poor electrical connection– Dead (Weak) battery– Faulty EGR temperature sensor and circuit– Exhaust gas leaks Tech description EGR flow malfunction could be caused by a…

P0401 1998 HONDA ACCORD Exhaust Gas Recirculation Insufficient Flow

Possible causes – Exhaust Gas Recirculation Valve clogged– Faulty Exhaust Gas Recirculation Valve– Exhaust Gas Recirculation Valve harness is open or shorted– Exhaust Gas Recirculation Valve circuit poor electrical connection– Exhaust gas leaks Tech description The problem is common on most 1998-2001 Honda Accord. The factory released a bulletin with instruction on how to clean…

P0401 1999 HONDA ACCORD Exhaust Gas Recirculation Insufficient Flow

Possible causes – Exhaust Gas Recirculation Valve clogged– Faulty Exhaust Gas Recirculation Valve– Exhaust Gas Recirculation Valve harness is open or shorted– Exhaust Gas Recirculation Valve circuit poor electrical connection– Exhaust gas leaks Tech description The problem is common on most 1998-2001 Honda Accord. The factory released a bulletin with instruction on how to clean…

P0401 2000 HONDA ACCORD Exhaust Gas Recirculation Insufficient Flow

Possible causes – Exhaust Gas Recirculation Valve clogged– Faulty Exhaust Gas Recirculation Valve– Exhaust Gas Recirculation Valve harness is open or shorted– Exhaust Gas Recirculation Valve circuit poor electrical connection– Exhaust gas leaks Tech description The problem is common on most 1998-2001 Honda Accord. The factory released a bulletin with instruction on how to clean…

P0401 2001 HONDA ACCORD Exhaust Gas Recirculation Insufficient Flow

Possible causes – Exhaust Gas Recirculation Valve clogged– Faulty Exhaust Gas Recirculation Valve– Exhaust Gas Recirculation Valve harness is open or shorted– Exhaust Gas Recirculation Valve circuit poor electrical connection– Exhaust gas leaks Tech description The problem is common on most 1998-2001 Honda Accord. The factory released a bulletin with instruction on how to clean…

P0401 HONDA Exhaust Gas Recirculation Insufficient Flow

Possible causes – Exhaust Gas Recirculation Valve harness is open or shorted– Exhaust Gas Recirculation Valve circuit poor electrical connection– Faulty Exhaust Gas Recirculation Valve– Exhaust Gas Recirculation Valve clogged– Exhaust gas leaks Tech description In some 1999

P0401 GMC Exhaust Gas Recirculation Flow Insufficient

Possible causes – EGR passage clogged– Faulty EGR Valve– EGR solenoid valve harness is open or shorted– EGR solenoid valve circuit poor electrical connection Tech description EGR flow malfunction could be caused by a clogged EGR valve or EGR tube. Before replacing any parts try cleaning the EGR valve, tube and passages. When is the…