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Thread: G37 TB and MAF

  1. #1

    Default G37 TB and MAF

    I've had some poor throttle performance in my G37,

    I've been reading that I should address the MAF and or Throttle Body.

    I see two different TBs from Hitachi from my research. Which one is the correct one and what's the difference?

    Also, which MAF would you recommend I go with?

    I've heard about clean both MAF and TB but also read about issues from the cleanings. Which is why I was looking more towards replacement.

    Thanks,


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  2. #2

    Default

    I finished cleaning the MAF and TB last weekend. MAF looked clean but the TB was pretty filthy. Car feels smoother, now I just need to get that transmission re flash to fix the downshift jerkiness


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  3. #3
    Senior Member
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    Apr 2007
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    Default

    do you have the 7spd auto?

  4. #4

    Default

    Yes


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  5. #5
    Site Fanatic oolatec's Avatar
    Join Date
    Apr 2010
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    That's how you get ants!
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    Default

    Doubt you need any new parts. The throttle bodies get filthy on our cars. I'd get to cleaning them. (Which I need to do myself)

    Here's a DIY.

    http://www.myg37.com/forums/d-i-y-in...le-bodies.html

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