MAF sensor?
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This is a discussion on MAF sensor? within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; Do you have to have a MAF sensor or can I cut it out with an after market ECU?...

  1. #1
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    Question MAF sensor?

    Do you have to have a MAF sensor or can I cut it out with an after market ECU?

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  3. #2
    He simply abides. SD_GR's Avatar
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    Both; you will need a way of measuring air. You can go to a MAP setup if you insist.
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  4. #3
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    Quote Originally Posted by SD_GR View Post
    Both; you will need a way of measuring air. You can go to a MAP setup if you insist.
    My plan at this stage is filter, (exsisting bonnet scoop hole enlarged), silicon joiner straight to turbo, short path cold air, my car is heavily modified and I am running out of under bonnet space

  5. #4
    Registered User teflon_jones's Avatar
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    What has your tuner told you? Because if you don't have somebody that can design a map for the setup, there's not much point in going any further with this idea.
    Scott
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  6. #5
    Subaru Newb MainFrame's Avatar
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    You can run speed density, if that's how you wish to be tuned.

  7. #6
    Moderator Donkey's Avatar
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    Depends on the aftermarket ECU. Your question is pretty generalized. You can run speed density,if the Engine Management you use allows it,but you will need to install an IAT sensor. The stock IAT sensor is combined with the MAF sensor unit. It's the amber bulb on the side.
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