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The code means EGR Insufficient Flow. This does NOT necessarily mean that the EGR needs to be replaced, but there is a problem with it. Take it to a respectable mechanic and have your car tested. Only a service professional who is inspecting your car will know what exactly needs to be replaced.
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What is code PO401 on 2003 Hyundai?
PO401 indicates an abnormal EGR flow.
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
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.
What do the codes po401 and po402 mean on a 1997 Ford explorer?
P0401 - EGR flow insufficient , P0402 EGR flow excessive
What should you do changed egr valve turned off engine light but code po401 returns please help it is a 1998 Monte Carlo?
i need to no what kind of car if it is a ford change tube and check intake hole under egr Yoah, Rob, it's a 1998 CHEVROLET Monte Carlo, says so in the question. A PO401 code doesn't usually mean there is a malfunction in the EGR valve. It often means there is an electrical problem with the EGR to PCM circuit or other sensors. If you have a scanner you can run a complete diagnostic yourself. If not, you will need a garage or dealer to run it for you.
What are codes po403 and po401?
after washing my car i had a engine light the code was 403 exhaust recirculation control circuit malfunction can you help thanks
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 is code p0440 and po401 on 1999 cutlass olds?
Generic codes P0440 Evaporative emission system malfunction P0401 Exhaust gas recirculation system Insufficient flow detected.
