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  1. #1
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    Question Questions About ph15 engine

    hi guys and Honda experts, may mga tanong lang po sana ako about ph15 engine. carb type po ba sya or may efi version din xa? sa anong model po na civic nakalagay ang mga engines na to? and if ever may carb type sya, pwede po ba xa i-convert into an EFI?as in papalitan lang ung intake manifold pati throttle nya? thanks in advance, hope to hear from you soon.
    Last edited by paulmrules; 07-26-2010 at 09:07 PM. Reason: change subject
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  2. #2
    box car racer Type 100's Avatar
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    Default Re: Questions About ph15 engine

    The one in my old SX8 City was fuel-injected. Not sure if there was ever a carbureted version.

    You'll probably have to swap out ECUs also if you're planning on changing fuel systems...the ECU controls fuelling and it's programmed into it (hence the old Honda acronym PGM-FI).

    By the way bawal ang text speak

  3. #3
    Tsikot Member Rank 2 voltscastillo's Avatar
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    Default Re: Questions About ph15 engine

    ang alam ko lang na may ph15 carb yung sa mga lumang civic (1991-1993). pero marami ding civic of this generation na naka ph15 efi na din (1993-1995 ESi).

    you can convert a carbed ph15 to efi but medyo mahal. the difference in fuel economy won't be that great too. parang ganun din, tipid lang ng bahagya. so hindi mo na mababawi ginastos mo sa conversion.

  4. #4
    Tsikot Member Rank 4 [archie]'s Avatar
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    Default Re: About ph15 engine

    ang alam ko kaya carb type ang tawag kasi yung intake ng PH15 is card type or butterfly. pero EFI na rin yung PH15 like the LXi and ESi.

    basta may injectors sa may fuel rail... efi na yun. sa auto code, basta may "i" yung dulo ibig sabihin "injected".

    pero kung may carb talaga na PH15, pwede naman swap that to efi.

  5. #5
    Tsikot Member Emong3's Avatar
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    Default Re: About ph15 engine

    Quote Originally Posted by paulmrules View Post
    hi guys and Honda experts, may mga tanong lang po sana ako about ph15 engine. carb type po ba sya or may efi version din xa? sa anong model po na civic nakalagay ang mga engines na to? and if ever may carb type sya, pwede po ba xa i-convert into an EFI?as in papalitan lang ung intake manifold pati throttle nya? thanks in advance, hope to hear from you soon.
    PH15 came in carb and EFi

    1992-1995 civic LX - PH15 carb
    1996-2001 civic LXi - ph15 / PH15A EFi
    1997-1999 City EXi - PH15 EFi

    pwede iconvert ang carb to EFi, but the cost will be much higher than buying a surplus D15b or PH15 non vtec EFi engine.
    You need to replace the following:
    INtake manifold assy
    throttle body
    distributor
    various sensors in the engine block
    Then you need to provide the following also:
    Engine harness
    ECU - to be rechipped and reprogrammed if you want it to run efficiently

    pwede din stock set up but you have to replace the entire cylinder head assy from a PH15A including the harness, intake assy, distributor and ECU.

  6. #6
    Tsikot Member menggoy's Avatar
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    Default Re: About ph15 engine

    sirs, pag may ecu yung kotse, ibig sabihin efi sya?

  7. #7
    Tsikot Member Rank 4 [archie]'s Avatar
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    Default Re: About ph15 engine

    Quote Originally Posted by menggoy View Post
    sirs, pag may ecu yung kotse, ibig sabihin efi sya?
    in one word... yes

  8. #8
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    Default Re: About ph15 engine

    sorry for the text type message.... new in here. ano naman po ba ang advantage if magpapalit g cylinder head ang engine. for example, ang ph15 na base engine ay pinalitan ng v-tech na cylinder head? would the v-tech work? thanks

  9. #9
    Tsikot Member Rank 4 [archie]'s Avatar
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    Default Re: About ph15 engine

    ^^ your car would have more punch in higher power band. yes it would work but you need to change the ecu also... p08 programmable would do.

    the head would have different cams... get the 20 cams v-tec head to feel the difference. pero kung low rev driving, baka hindi mo mafeel.

  10. #10
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    Default Re: About ph15 engine

    thanks for the help guys.... by the way, panu po ba malalaman kung anong klase ang computer box mo? is there such codes for that or directly nakasulat na P08 and other ecu codes...


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