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What is code PO401 on 2003 Hyundai?
PO401 indicates an abnormal EGR flow.
What do the codes po401 and po402 mean on a 1997 Ford explorer?
P0401 - EGR flow insufficient , P0402 EGR flow excessive
What is code p0440 and po401 on 1999 cutlass olds?
Generic codes P0440 Evaporative emission system malfunction P0401 Exhaust gas recirculation system Insufficient flow detected.
What is po401?
You lucked out-it's just a bad egr valve.
What is wrong when yo get a po401 code?
i got the code 401 for 2005 mitsubishi galant?
What is a code PO401 for a Mazda Protege engine?
exhaust gas recirculation flow insuficient
How do you fix the cde po403 in nissa maxima 2000?
i have the code p0403 in nissan maxima 2000 i want to know how i can fix
Egr insufficent flow?
2001 ford windstar has code PO401 erg insufficent flow.
What is code po401 on a Toyota Previa mean?
exhaust gas recirculation flow insuffcent detected
How do you fix P0401 on a 01 Ford Focus?
po401 mean Exhaust Gas Recirculation Flow Insufficient Detected.
Why does the engine light keep coming on indicating code PO401 in a 2000 Mazda protege?
Trouble code P0401 means:Exhaust gas recirculation-insufficient flow detected
What does code po403 means?
EGR Flow circuit malfunction ....which means power interrupted in the circuit. Try unplugging it then plugging back. Be sure to erase codes. If that dont work,take it off and check that it will move freely and it is not covered with exhaust carbon buildup. It is a high dollar part and very hard to diagnose if it is bad/going bad. Maybe if you know someone to borrow theirs for a moment, put it on your car to see if it solves your problem.
