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  1. Join Date
    May 2006
    Posts
    913
    #1001
    sir just out of the blue question..

    how dirty is our diesel fuel compared to other asian countries.. specally thailand? i think u already know where im goin with this question.

  2. Join Date
    Jun 2008
    Posts
    41
    #1002
    Sir Dieseldude,

    Update on my problem, sir my engine is a pajero 4m40 and may lumalabas na usok sa breather ng eninge which is connected sa air filter (when I removed it). When I opened the dip stick oil. May lumalabas din na usok pero minsan wala naman. I have no problem with power. Mahatak naman sha and Hindi hard starting pag umaga. Last february pina-"dukot" ko sha. I changed my piston rings and pinaover sized ko.

    Does my engine need an overhaul or kaya mawala ung black smoke if i will calibrate my injection pump?

  3. Join Date
    Sep 2006
    Posts
    1,335
    #1003
    Quote Originally Posted by DonPempe View Post
    Thank you Sir Dieseldude for the quick reply.. Dapat calibration na in case nde mag bago kung ni adjust ko n ung idling nya?
    Wag muna. Temporarily replace the black rubber hose between the fuel filter and the injection pump with a clear plastic hose. Tingnan mo kung sumisipsip ng air bubbles ang pump.

  4. Join Date
    Sep 2006
    Posts
    1,335
    #1004
    sir just out of the blue question..

    how dirty is our diesel fuel compared to other asian countries.. specally thailand? I really don't know....., but I'm very happy with our local diesel fuel.
    i think u already know where im goin with this question. Yes, I have an idea.

  5. Join Date
    Sep 2006
    Posts
    1,335
    #1005
    Sir Dieseldude,

    Update on my problem, sir my engine is a pajero 4m40 and may lumalabas na usok sa breather ng eninge which is connected sa air filter (when I removed it). When I opened the dip stick oil. May lumalabas din na usok pero minsan wala naman. This is engine blowby (combustion gasses which leak past the piston rings). Blowby is normal, low on new engines and steadily increasing as the engine ages due to normal wear on the rings.

    I have no problem with power. Mahatak naman sha and Hindi hard starting pag umaga. Good.. Last february pina-"dukot" ko sha. I changed my piston rings and pinaover sized ko. Nag rebore ka ba ng cylinders?

    Does my engine need an overhaul or kaya mawala ung black smoke if i will calibrate my injection pump? Check/replace air filter muna. Then compare smoke levels with and without the blowby hose connected to the air intake system.

  6. Join Date
    Nov 2008
    Posts
    210
    #1006
    Quote Originally Posted by alrorskyz View Post
    Hi to all diesel guru,

    I need your advice. My ride is JDM pajero w/ turbo 4d56 and AT tranny. Bagong change oil, air filter and fuel filter last month lang. Nag simula ba ang problem pagkatapos ng change oil and filters? Hindi ko sure kailan nagsimula kasi si misis ang laging gumagamit nito, abroad kasi ako nagwork. Ano ang oil grade na ginamit mo? petron trekker 15w-40 Meron pa bang ibang ginalaw sa engine mo? wala po.

    Bakit kapag bagong andar at hindi pa mainit ang engine ko very low ang rpm ko then pag mainit na nasa 900 then kung naka aircon naman nasa 1000.

    Hindi ko mapatakbo kung malamig pa ang sasakyan dahil sobrang manginginig. Bakit di mo mapatakbo, wala bang power kung malamig? meron naman power but automatic kasi kung tapakan mo ang brake na malamig pa ang engine and naka drive sobrang manginginig ang engine. kailangan i-preheat ko muna for 2-4 mins para maganda na ang takbo. Do you experience white smoke when cold? wala naman white smoke sir.

    Hindi naman siya hard starting just one click lang start na agad and hindi
    rin mausok kahit biglan apak sa pedal. Dapat meron konting usok sa biglang tapak ng acc pedal. Meron bang power pag mainit na ang engine o kulang pa rin? wala naman ako problem sa power nito sir. ang problem ko lang ay sobrang low rpm basta malamig pa ang engine. i think mas mababa pa sa 750 rpm.
    pinaadjust ko sa taga petron ang idle ko kaya nagiging 900 na but ganun parin kung malamig ang engine very low rpm parin.

    thank you for your reply sir

    Ano kaya ang problem nito?
    Sir Dieseldude ano kaya ang problem nito? calibration naba?

  7. Join Date
    Dec 2009
    Posts
    47
    #1007
    Quote Originally Posted by pleck View Post
    bago lang ako sa diesel engine kakabili ko lang ng l400 ko local space gear pag kuha ko after 2-3 days sa akin change oil na ako, change oil filter , fuel filter, air filter lininis lang. then after 2 days nag salin ako ng oil ( may leak kase sa crankshaft oil seal ) pag open ko ng oil filter cap ko may usok so kinabahan agad ako hinugod ko agad dipstick wala pa naman usok dun at walang talsik ng oil after a week byahe ako makati pag check ko ng dipstick ko (hinugot ko ng konti ) may usok na din at talsik ng oil na pa konti konti

    kanina nag pa compression test ako sabi ng mekaniko ok pa naman daw

    ano kaya cause nitong usok sa dipstick at oil cap?

    4D56T engine SPACEGEAR LOCAL max speed niya 80kph pwede pa pigain pero hirap na hirap

    hindi ko na alam san ko dadalhin to at saan ipapagawa

    btw one click pa din po space gear ko at no overheat hindi rin nag babawas ng langis sa oil not sure minsan ko lang kase gamitin


  8. Join Date
    Sep 2006
    Posts
    1,335
    #1008
    Quote Originally Posted by alrorskyz View Post
    Sir Dieseldude ano kaya ang problem nito? calibration naba?
    Hindi ko pa alam ang solusyon sa problema mo. Itatanong ko bukas sa mga technicians ko.

  9. Join Date
    Sep 2006
    Posts
    1,335
    #1009
    Pleck,

    Normal ang konting usok/oil sa filler cap at dipstick sa mga high mileage engines.

    80kph maximum speed is not normal. Baka barado lang ang air/fuel filters.... or pwede rin na calibration ang kelangan mo.

  10. Join Date
    Nov 2005
    Posts
    255
    #1010
    for those asking on idle up adjustment for 4d56 engine, ito po siya. these are the same ones provided before on this thread.





    HTH

Diesel Fuel Injection System Help Desk