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    Default What is this thing?

    I want to know wat is this thing in this pic on my engine. Its hv a connector but not connected to anything.

    Click here to go to the ANSWER

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    its called exhaust gas recirculation (EGR)

    What is this thing? - exhaustdiagram

    Advantages
    Reduces the amount of nitrogen oxide in the exhaust stream
    Lowers combustion temperatures and improves engine efficiency
    Disadvantages
    EGR mixtures reduce the overall amount of energy transferred to the piston due to a reduction in the specific heat ratio in gasoline engines
    Lower combustion temperatures cause an incomplete burn of fuel, increasing particulate matter in diesel engines

    An EGR system reduces the formation of NOx by recirculating small amounts of exhaust gases into the intake manifold, where they mix with the incoming fuel-air mixture. The dilution of the incoming fuel-air mixture reduces peak combustion temperatures and pressures, resulting in a reduction of NOx.
    93 Accord CB7 (Sold) / 2005 CL7

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    Quote Originally Posted by Faizan920 View Post
    I want to know wat is this thing in this pic on my engine. Its hv a connector but not connected to anything.
    what ever it is its aftermarket some stuff mine also vti doesn't have any thing like that in engine btw clean ur car engine and never use any type of oil or fuel spray in engine like service station ppl do it make engine hell
    The cars we drive say a lot about us.

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    Quote Originally Posted by Faizan920 View Post
    I want to know wat is this thing in this pic on my engine. Its hv a connector but not connected to anything.
    Also if this is unpluged you should get Check Engine Light...... do you have original engine wiring
    93 Accord CB7 (Sold) / 2005 CL7

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    Quote Originally Posted by afnan.bashir View Post
    Also if this is unpluged you should get Check Engine Light...... do you have original engine wiring
    I hv D17 engine.

    Sent from my GT-S5830 using PW Forums mobile app

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    the Pakistani model civics did not use this - hence if you used the original wiring it wont even have the connector for it.
    ZRS - Zulfiqar Racing Systems ..... - professionals at work - at crackwheels.com

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    Quote Originally Posted by Faizan920 View Post
    I hv D17 engine.

    Sent from my GT-S5830 using PW Forums mobile app
    Dost indeed you have it but question is did you swaped it if yes did you change ECU and wiring? do you get Orange light in cluster when car is start?
    93 Accord CB7 (Sold) / 2005 CL7

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    Quote Originally Posted by afnan.bashir View Post
    Dost indeed you have it but question is did you swaped it if yes did you change ECU and wiring? do you get Orange light in cluster when car is start?
    I got it frm a car from australia.. In bilal gang. Also bought its wiring with it. It was a bit diffrent from pak vti

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    Quote Originally Posted by Faizan920 View Post
    I got it frm a car from australia.. In bilal gang. Also bought its wiring with it. It was a bit diffrent from pak vti

    Sent from my GT-S5830 using PW Forums mobile app
    an hn well i think you should have Grip for EGR there if its not there it should have been removed or the new wiring did not had it
    93 Accord CB7 (Sold) / 2005 CL7

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    Quote Originally Posted by afnan.bashir View Post
    an hn well i think you should have Grip for EGR there if its not there it should have been removed or the new wiring did not had it
    I got this wiring frm that same car. Thr is a couple of plugs extra cming frm lower side of engine.
    Now the question is should i get it pluged. Wat wil b pros nd cons.

    Sent from my GT-S5830 using PW Forums mobile app

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    Quote Originally Posted by Faizan920 View Post
    I got this wiring frm that same car. Thr is a couple of plugs extra cming frm lower side of engine.
    Now the question is should i get it pluged. Wat wil b pros nd cons.

    Sent from my GT-S5830 using PW Forums mobile app
    if it is its plug then put it on nothing bad would happen this valve will either open or close
    93 Accord CB7 (Sold) / 2005 CL7

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    Quote Originally Posted by afnan.bashir View Post
    if it is its plug then put it on nothing bad would happen this valve will either open or close
    Car computer wil exept it?
    And can u tel me in non-tech language wat it actually do.

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    Quote Originally Posted by Faizan920 View Post
    Car computer wil exept it?
    And can u tel me in non-tech language wat it actually do.

    Sent from my GT-S5830 using PW Forums mobile app
    it actually helps reducing engine head and production of harmfull gasses
    93 Accord CB7 (Sold) / 2005 CL7

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    I didnt bought the computer thing (i dnt know wat its name).

    Sent from my GT-S5830 using PW Forums mobile app

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    Quote Originally Posted by afnan.bashir View Post
    it actually helps reducing engine head and production of harmfull gasses
    bro Sorry 4 my silly questions. I dnt know much about cars.
    Will it effect fuel economy (bcoz i think i hv best on this model), and pick or speed?

    Sent from my GT-S5830 using PW Forums mobile app

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    if you did not buy the "computer thing" then this valve wont work as it is commanded by the "computer thing". The "computer thing" in your car right now wont have any driver for it.
    ZRS - Zulfiqar Racing Systems ..... - professionals at work - at crackwheels.com

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    Quote Originally Posted by Xulfiqar View Post
    if you did not buy the "computer thing" then this valve wont work as it is commanded by the "computer thing". The "computer thing" in your car right now wont have any driver for it.
    Should i buy that comp thing of same car?

    Sent from my GT-S5830 using PW Forums mobile app

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    why do you want to make the EGR work? Its a royal pain the behind if you need to troubleshoot it.
    ZRS - Zulfiqar Racing Systems ..... - professionals at work - at crackwheels.com

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    Quote Originally Posted by Xulfiqar View Post
    why do you want to make the EGR work? Its a royal pain the behind if you need to troubleshoot it.
    I though mayb it wil b gud 4 pick nd specially fuel economy.

    Sent from my GT-S5830 using PW Forums mobile app

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    Quote Originally Posted by Xulfiqar View Post
    the Pakistani model civics did not use this - hence if you used the original wiring it wont even have the connector for it.
    in 9th gen it is present with the "continental" brand
    vtec roxx!!!!!

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