Rep Power: 0

So.....i just bought a 2005 LX Special Edition automatic 1.7L

The day after i purchased it the damn engine light came on, my friend had a code reader thing and it came up as a P0401.....??

I think that means that i need a EGR valve and gasket??

Is that correct? Could it be anything else or different?

Please help : )

 
Rep Power: 811

P0401 Exhaust Gas Recirculation Flow Insufficient Detected

that means the EGR valve is clogged. you can take it off and try to spray carb cleaner inside, it might work. if not, you need a new one. they are easy to change, just remove the two nuts. prolly can reuse the old gasket too so long as its not falling apart. the EGR valve is the piece with the bluish sticker on it and grey connector.

 
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To GEARBOX>> I'm missing my EGR system on my 96 EX altogether. I cant find any left in a junk yard and haven't seen one come into work yet. Running out of time on emissions... Got any pic for earlier models? I'm feelin' way screwed right now and would love the help.

 
Rep Power: 811

well just the valves are around $150 new from what ive seen, do you even have a place for it on the engine? i think only the 96-00 HX civics had egr systems. i found this one for cheap... but i think your car didnt come with it.

http://cgi.ebay.com/ebaymotors/1996-...Q5fAccessories

 
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Thank you 'gearbox' .....I ordered the EGR today.....: )

Could that be why i am getting such bad gas mileage??

 
Rep Power: 811

it could be yes. the egr also cools the exhaust gas, but its main function is reducing harmful emissions. if its clogged tho, and the engine light is on, the car will never be getting its best gas mileage.

 
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So i got the new EGR and after 38 miles the light cam back on....we took it off cleaned the crap out of the area....reset the code and it still came on after 38 miles....what else could it be??

 
Rep Power: 811

hmm it could be the engine passages that are clogged then, but im not sure what you can do about it. maybe spray carb cleaner into those two holes in the engine block. let it sit for a while and spray more. wait at least an hour before putting the egr back on and starting the car for the solvents to evaporate.

 
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Hi Christalee3,

I have the same problem. The light came back after 40 miles. Did you fix the problem? If yes, could you, please, tell me the details?

Thanks a lot!

 
Rep Power: 209

lol i pulled mine off. no issues other then a cel comin on. lol gas mileage is still at like 30 in the city.

 
Rep Power: 233

If it's still not working maybe you have a short in a wire or a loose connection.

 
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Or the sensor that reads the EGR could be mest up. But that would more then like throw both codes.

 
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i am having the same problem how would i check the sensor or the connection i just replaced my head gasket i put everything back together then as soon as i started my car the cel came on the code was p0401 so i changed the (GASKET, FR. WATER PASSAGE) and hooked everything back up and same problem so i just changed the egr and now still the cel is still coming on what can i do. any help would be appreciated

 
Rep Power: 233

Try resetting the ECM/PCM: With the ignition off, pull #6 fuse in the under-hood fuse/relay box for 10 seconds.

 
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yea i have done that with the fuse but after running the car a few times the light still comes back on so that's why i am stuck and don't know what else to do

 
Rep Power: 233

I'm at loss now. The service manual says to replace the EGR and nothing else. Try looking for loose connector or broken wire.

 
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am i looking for broken wires from the egr to the map senor?? see i am lost also and have no clue thanks for the help

 
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or could it just be my map sensor but i just had that changed last january

 
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how did you guys post stuff? pleassssseee hellp me i need to post a post about a question i have and i dont wanna bog down someone elses possst

 
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how do you post a new post i need to post stuff and i need a thread of my own i just cant find it on this forum how to do it?

 
Rep Power: 811

goto any forum where you want to start a thread and then click the 'post new thread' button at the top.