P0401 honda accord




P0401 honda accord

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  • Honda Accord ( - ) - DIY Fix for all that had the P code - Well I got the P code, EGR insufficient flow. Auto Zone told me that.

    Learn how to clean your Honda Accord EGR and fix your Honda EGR to get rid of the OBDII DTC P and any EGR related Honda Accord.

    Honda is a young Japanese auto-building company, it was founded in 1948. Now the concern, besides cars, also builds motorcycles, planes and is engaged in robotics. Many experts consider Honda cars to be one of the most reliable.

    If this is the V6 Accord, it very well could be an issue with carbon buildup again. It seems there was a tech bulletin which was issued by Honda.

    P0401 honda accord

    P0401 honda accord

    If you are going to be cleaning the EGR plate and the passages in your intake manifold, you will need to locate your fuel pump relay or fuel pump fuse. Originally Posted by govtec. That makes me wonder if there are any better aftermarket alternatives that still meet emissions requirements. I will look into that i took the top part off before replacing the EGR valve and only cleaned one port but I don't remember cleaning the fuel ones. Just inside where the throttle body mounts They are 2 side passages that are often overlooked.

    P0401 honda accord

    P0401 honda accord

    P0401 honda accord

    P0401 honda accord

    P0401 honda accord

    P HONDA Exhaust Gas Recirculation Insufficient Flow

    By using our site, you acknowledge that you have read and understand our Cookie Policy , Privacy Policy , and our Terms of Service. About 13 months and miles ago, my mechanic replaced the EGR Valve and Tube and cleaned the intake to solve the low airflow problem. Now I'm again getting an insufficient flow warning with my check engine light code P I noticed the light shortly after rapidly accelerating because of a short merge lane in temperatures around 90 degrees.

    My main question is: Is there anything else that wasn't replaced or cleaned last year that could be causing the problem? But has anyone else experienced repeat problems with the EGR system within such a short timeframe? If this is the V6 Accord, it very well could be an issue with carbon buildup again. It seems there was a tech bulletin which was issued by Honda about it for the Accord and Odyssey.

    P0401 honda accord

    I found a pretty write-up of how to get it really cleaned up, as getting it into a good state is quite a bit of a job. Here is where the write-up can be found with pictures. Here is the basic write-up pulled from that website:. Most people just clean the EGR port with a small drill and think they are done. Just inside where the throttle body mounts They are 2 side passages that are often overlooked. I had to bend a wire and dig them out. They were stopped up solid. I also took a pressure washer to the plenum.

    Lots of gunk and carbon came out. Hope this helps someone. A properly done repair for this should last for at least five years, repeats are rare, and I have done a lot of these. A repeat plugging is most likely due to poor cleaning the first time. If the updated tube was installed and it was properly cleaned consider these possibility's. All rare but possible. Was the update tube really installed? It requires special tools, we see this left out sometimes.

    P0401 honda accord

    This tube really does help the carbon buildup. If this car is in my service bay this is the first thing I would check. By the way the EGR valve does not affect the plugging, we rarely replace them after the first updated one is installed.

    By clicking "Post Your Answer", you acknowledge that you have read our updated terms of service , privacy policy and cookie policy , and that your continued use of the website is subject to these policies.

    Home Questions Tags Users Unanswered. After Replacing EGR valve and tube: SAG 1 5. Is yours the V6 model Accord? Yes it is the V6. Here is the basic write-up pulled from that website: Remove the fuel rail with the injectors intact if possible. Do it slow and gentle Unbolt the EGR valve. Unbolt the EGR chamber underneath the fuel, that is bolted on to the intake manifold.

    P0401 honda accord

    Soak the EGR chamber with a cleaner and scrub the hell out of it, this took me a while as you can see how dirty it was. I mean it was hard as a rock at some spots. Use the shop vac to suck the carbon build up as you break it away on the intake manifold. This answer will be helpful to people searching this site. But what I'd really like to know is why the problem has resurfaced so quickly. My Aunt had the valve replaced I think around 50k miles, and then my mechanic replaced it around k miles along with cleaning the intake and replacing the tube.

    So why does the problem resurface again at It probably recurred because the mechanic didn't do a thorough job of cleaning it when he replaced the EGR the last time. If it was as plugged as the write-up on the website shows, it could easily have plugged again.

    P0401 Honda Accord, Cleaning EGR Passages - EricTheCarGuy



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