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Why does the check engine light keep reoccuring with the same code PO401 EGR valve after the EGR valve was replaced This is on a Ford Explorer Sport Trac?
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∙ 15y ago
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What is a code PO401 for a Mazda Protege engine?
exhaust gas recirculation flow insuficient
What do the codes po401 and po402 mean on a 1997 Ford explorer?
P0401 - EGR flow insufficient , P0402 EGR flow excessive
What is code PO401 on 2003 Hyundai?
PO401 indicates an abnormal EGR flow.
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
What the problem about po401?
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.
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
How do you clean ERG valve emission code PO401 ERG flow insufficient?
Depends on what its on. Most of the time that code indicates your EGR valve is bad and needs to be replaced. If its on a diesel engine, there is also a procedure call an "EGR delete" that will actually increase your horsepower and fuel efficiency. But your emissions might not pass e-check ???
What is po401?
You lucked out-it's just a bad egr valve.
What happens when EG valve on Kia Sportage needs replaced?
it will choke and run like crap eventually what happpens to the EGr valves is they jus plug up ,exhaust gas recirculation valve you should get a check engine light,code po171,po174,or po401,po402. not neccessarily will run rough. sometimes will run fine but thrrough up check engine light for bank 1 to lean,etc..
HOW do you reset the check engine light after oil change on a 1997 rav4?
well you don't. there is no reset on the check engine light. have someone run a scan on your rav and see what code it has. you can find out what's the problem is. and get it fixed. the most common code is a po401. and most of the time it is the svs switch that needs to be replaced. i just did mine about three weeks ago. by the way check out rav4world on the net. alot of good info there on your rav4 4.1.
What is wrong when yo get a po401 code?
i got the code 401 for 2005 mitsubishi galant?
Egr insufficent flow?
2001 ford windstar has code PO401 erg insufficent flow.
