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Thread: Knocking in civic vti oriel 2000 automatic.

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    Question Knocking in civic vti oriel 2000 automatic.

    Hello to All PW's.

    I am hoping all of you enjoying their lives in much better way.

    From many days, I am observing that my civic 2000 vti oriel automatic is making knocking too much.

    Recently did complete tuning including throttle body cleaning, tappet adjustment, new Denso plug added.

    I also changing Fuel station many times but no luck and yesterday I added High Octane, so after adding High Octane, knocking is reduced but not completely.

    Please experts @Xulfiqar @racerali @capsat help me to solve the knocking completely.

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    What about ignition timing?

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    STP octane booster can solve your problem
    The cars we drive say a lot about us

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    Quote Originally Posted by ToxicDevil View Post
    What about ignition timing?
    Ignition timing is checked by 3s dealership. It is fine according to situation.

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    Quote Originally Posted by racerali View Post
    STP octane booster can solve your problem
    Can you describe about STP octane booster? Where to buy STP octane booster? How to use it?

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    Waiting for help from our valuable expert @Xulfiqar

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    Quote Originally Posted by galant1 View Post
    Can you describe about STP octane booster? Where to buy STP octane booster? How to use it?
    Buy From sadder rawalpindi and pure in fuel tank
    The cars we drive say a lot about us

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    Quote Originally Posted by galant1 View Post
    Hello to All PW's.

    I am hoping all of you enjoying their lives in much better way.

    From many days, I am observing that my civic 2000 vti oriel automatic is making knocking too much.

    Recently did complete tuning including throttle body cleaning, tappet adjustment, new Denso plug added.

    I also changing Fuel station many times but no luck and yesterday I added High Octane, so after adding High Octane, knocking is reduced but not completely.

    Please experts @Xulfiqar @racerali @capsat help me to solve the knocking completely.
    If ignition timing is ok, timing advance mechanism is ok, HOBC only reduces knocking then, you have got excess carbon build up on cylinder piston that needs to be cleaned. A hot spot due to this is causing the mixture to ignite prematurely.
    Don't leave a highway for a byway....

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    Are you using good fuel? do you have it on CNG?
    93 Accord CB7 (Sold) / 2005 CL7

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    Quote Originally Posted by afnan.bashir View Post
    Are you using good fuel? do you have it on CNG?
    @afnan.bashir

    I am using this car on petrol from day 1. So No Cng.

    I have change lot of fuel stations but knocking is not going. Normally I am using fuel of Shell and Caltex maximum times.

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    @Xulfiqar

    Waiting for help from our valuable expert @Xulfiqar

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    <!--[if gte mso 9]><xml> <w:WordDocument> <w:View>Normal</w:View> <w:Zoom>0</w:Zoom> <w:Compatibility> <w:BreakWrappedTables/> <wnapToGridInCell/> <w:WrapTextWithPunct/> <w:UseAsianBreakRules/> <w:UseFELayout/> </w:Compatibility> <w:BrowserLevel>MicrosoftInternetExplorer4</w:BrowserLevel> </w:WordDocument> </xml><![endif]--> Engine knock can be caused by many things, however, some of the most common are as follows:

    • The fuel in your car has too low of an octane rating, If you use the correct rating and it still has issues, try a different brand of gasoline.
    • Carbon deposits on cylinder walls, When deposits form, the volume of the cylinder is effectively decreased, which increases compression that can cause knock.
    • Vehicle has incorrect spark plugs, Manufacturers have recommended spark plugs for every vehicle, and often list some alternatives. If your car is running anything other than what is suggested, you may have knock. The heat range of a spark plug is often in its part number, and the spark plug is designed to run at that range. Its job--other than producing spark--is also to withdraw heat from the combustion chamber and into the head. Try to change your plugs if altering your fuel doesn't help.
    • Loss of exhaust gas recirculation (EGR),EGR keeps combustion temperature down,reducing the tendency to detonate.If the EGR valve is inoperative or someone has disconnected or plugged its hose,higher combustion temperatures can cause knocking.

    However,check your transmission for proper working,if it not works properly then it can put load on engine,causing engine knock.

    <!--[if !mso]><object classid="clsid:38481807-CA0E-42D2-BF39-B33AF135CC4D" id=ieooui></object> <style> st1\{behavior:url(#ieooui) } </style> <![endif]--><!--[if gte mso 10]> <style> /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size; mso-tstyle-colband-size; mso-style-noshow:yes; mso-style-parent:""; mso-padding-altin 5.4pt 0in 5.4pt; mso-para-marginin; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman";} </style> <![endif]-->
    Never loose hope in life,every step gives u something.

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    Quote Originally Posted by argtr65 View Post
    <!--[if gte mso 9]><xml> <w:WordDocument> <w:View>Normal</w:View> <w:Zoom>0</w:Zoom> <w:Compatibility> <w:BreakWrappedTables/> <wnapToGridInCell/> <w:WrapTextWithPunct/> <w:UseAsianBreakRules/> <w:UseFELayout/> </w:Compatibility> <w:BrowserLevel>MicrosoftInternetExplorer4</w:BrowserLevel> </w:WordDocument> </xml><![endif]--> Engine knock can be caused by many things, however, some of the most common are as follows:

    • The fuel in your car has too low of an octane rating, If you use the correct rating and it still has issues, try a different brand of gasoline.
    • Carbon deposits on cylinder walls, When deposits form, the volume of the cylinder is effectively decreased, which increases compression that can cause knock.
    • Vehicle has incorrect spark plugs, Manufacturers have recommended spark plugs for every vehicle, and often list some alternatives. If your car is running anything other than what is suggested, you may have knock. The heat range of a spark plug is often in its part number, and the spark plug is designed to run at that range. Its job--other than producing spark--is also to withdraw heat from the combustion chamber and into the head. Try to change your plugs if altering your fuel doesn't help.
    • Loss of exhaust gas recirculation (EGR),EGR keeps combustion temperature down,reducing the tendency to detonate.If the EGR valve is inoperative or someone has disconnected or plugged its hose,higher combustion temperatures can cause knocking.

    However,check your transmission for proper working,if it not works properly then it can put load on engine,causing engine knock.

    <!--[if !mso]><object classid="clsid:38481807-CA0E-42D2-BF39-B33AF135CC4D" id=ieooui></object> <style> st1\{behavior:url(#ieooui) } </style> <![endif]--><!--[if gte mso 10]> <style> /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size; mso-tstyle-colband-size; mso-style-noshow:yes; mso-style-parent:""; mso-padding-altin 5.4pt 0in 5.4pt; mso-para-marginin; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman";} </style> <![endif]-->
    I changes many fuel stations for checking the fuel condition. All fuel pumps in Islamabad are supplying low quality fuel.

    As per transmission is concern, shifting is fine no problem at all.

    I added new denso sparkplugs in my car. I think it is fine.

    Car is running fine except knocking.

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    Hi galant1,

    I used to have the same issue in my 03 vti (manual). I did everything from throttle body plugs fuel pumps etc etc. My issue came out to be water in the fuel tank. Bad fuel quality with water added in the fuel happened lol

    Just try changing your fuel pump once and have your fuel tank cleaned up. That solved my issue and Alhamdolillah I've never faced the issue again! My fuel station is consistently shell in F-6 Islamabad I find their fuel better than most pumps. I hope this helps you too.

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    Quote Originally Posted by ahmerkhan123 View Post
    Hi galant1,

    I used to have the same issue in my 03 vti (manual). I did everything from throttle body plugs fuel pumps etc etc. My issue came out to be water in the fuel tank. Bad fuel quality with water added in the fuel happened lol

    Just try changing your fuel pump once and have your fuel tank cleaned up. That solved my issue and Alhamdolillah I've never faced the issue again! My fuel station is consistently shell in F-6 Islamabad I find their fuel better than most pumps. I hope this helps you too.
    @ahmerkhan123

    I recently changed fuel pump to brand new original OEM Fuel pump and tank is already checked, there is no issue in it.

    I am amazed to see why this problem come across in my car which is always fully tuned and all maintenance are done by 3s dealership.

    Now I added High Octane in my car few days ago but I didn't drive car to check the issue. I will check then update the thread accordingly.

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    @Xulfiqar

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    Quote Originally Posted by galant1 View Post
    @ahmerkhan123

    I recently changed fuel pump to brand new original OEM Fuel pump and tank is already checked, there is no issue in it.

    I am amazed to see why this problem come across in my car which is always fully tuned and all maintenance are done by 3s dealership.

    Now I added High Octane in my car few days ago but I didn't drive car to check the issue. I will check then update the thread accordingly.
    get your vehicle air fuel ratio adjusted from RT's diagnosis the problem is indicating whether a lean mixture or too much rich mixture is causing the problem generally it happen's No one check and observe the Air fuel ratio and it is the major part of the tune up.

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    Latest Update:

    There is knocking at low rpm normally when I put car at R and D4 specially at low rpm's. when rpm increases in R and D4 knocking removed accordingly.

    Also when I immediately press the gas paddle, knocking occurred but for minimum time at initial or starting rpm's and removed quickly as rpm increases.

    Please experts @Xulfiqar and @capsat help me according to this latest solution.

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    Quote Originally Posted by galant1 View Post
    Latest Update:

    There is knocking at low rpm normally when I put car at R and D4 specially at low rpm's. when rpm increases in R and D4 knocking removed accordingly.

    Also when I immediately press the gas paddle, knocking occurred but for minimum time at initial or starting rpm's and removed quickly as rpm increases.

    Please experts @Xulfiqar and @capsat help me according to this latest solution.
    Is your car's cooling system working properly? Have you been using coolant or tap water?

    Could be caused by higher combustion temperature, otherwise you need to get the timing checked once again even if you've gotten it checked already.
    Get your Timing belt checked.
    What's the current position of your distributor?
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    Quote Originally Posted by galant1 View Post
    Latest Update:

    There is knocking at low rpm normally when I put car at R and D4 specially at low rpm's. when rpm increases in R and D4 knocking removed accordingly.

    Also when I immediately press the gas paddle, knocking occurred but for minimum time at initial or starting rpm's and removed quickly as rpm increases.

    Please experts @Xulfiqar and @capsat help me according to this latest solution.
    assuming there is no low lubrication issue .... get tappets adjusted ... the lifters require period adjustment somewhere around every 30k kms

    P.S ; it is not knocking but sometimes the tappet sound is also similar to knocking ... since all other reasons of knocking have been ruled out so i suggested a tappet adjustment
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