Cleaning the GDI Intake Valve and Injector Tips on the Honda Accord/Acura MDX GDI (With Video)

Updated on April 13, 2020
hardlymoving profile image

Hardlymoving writes about do-it-yourself automobile maintenance on various makes and models.

This article, via video, will show you how to perform a engine carbon cleaning procedure on GDI (Gasoline Direct Injection) engines. The process can also be used on port fuel injected engines as well.

GDI engines are becoming more commonplace in today's cars. GDI systems inject fuel directly into the combustion chamber and so provide better fuel burn, which results in improved fuel economy, power and smoother engine response. Unfortunately, as time passes and the miles build up, carbon will begin to accumulate inside the engine, which will eventually degrade performance. Various fuel system and engine cleaners include an ingredient called PEA that helps to remove these carbon deposits to get your engine running smoothly again.

Video: Cleaning Honda Accord/Acura MDX GDI Intake Valve & Injector Tips

CRC & Gumout Cleaner with PEA next to  Aerosol Container
CRC & Gumout Cleaner with PEA next to Aerosol Container
Mixing Gumout Fuel System Cleaner with gasoline
Mixing Gumout Fuel System Cleaner with gasoline
Sealing aerosol container with cleaner before pressurization
Sealing aerosol container with cleaner before pressurization
CRC spray tube connection to brake booster vacuum hose
CRC spray tube connection to brake booster vacuum hose

This content is accurate and true to the best of the author’s knowledge and is not meant to substitute for formal and individualized advice from a qualified professional.

Questions & Answers

    © 2020 hardlymoving

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      • hardlymoving profile imageAUTHOR

        hardlymoving 

        2 months ago from Memphis, TN

        I've read mixed reviews on Seafoam. I'd put it in the same category as Marvel Mystery Oil ... which I do like. What I'm looking for is any cleaning agent with PEA. Seems that this ingredient really works in breaking up carbon deposits. You are correct that water can be used for breaking up carbon feed via the vacuum line. But to play it safe, I'd use an aerosol container to atomize the water to prevent possible hydro lock.

      • Dan Ferrell profile image

        Dan Ferrell 

        2 months ago

        Great video. I use Seafoam once in a while in the gas tank. Can also be poured through the booster vacuum line. And I know some people say they use water for the same purpose. I've never tried that, but would like to sometime.

        Good job.

      • hardlymoving profile imageAUTHOR

        hardlymoving 

        2 months ago from Memphis, TN

        Try again now.

      • Dan Ferrell profile image

        Dan Ferrell 

        2 months ago

        Wanted to watch the video but I'm getting the message:

        "null

        If the owner of this video has granted you

        access, please sign in."

        I'm signed in, but no luck. Hopefully I'll get to watch it later, this is a very interesting topic.

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