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  1. Join Date
    Sep 2004
    Posts
    161
    #1051
    Quote Originally Posted by Dieseldude View Post
    EGR maybe?
    ok lang din po ba na tanggalin na ang EGR on crdi engines?

  2. Join Date
    Jun 2008
    Posts
    41
    #1052
    Sir Dieseldude, kakaoverhaul ko lang ng diesel engine (4m40) ko three days ago. My engine has no black smoke na but pag nirev mo ung engine, umiingay ung engine. Parang naka fuel lock. Pag idle, it seems fine but pag bigla mo ni rev-up. Ang ingay talaga ng tunog niya parang knocking sound and seem not normal. what seems to be the problem? I already changed my nozzle tips and calibrated it.

  3. Join Date
    Sep 2006
    Posts
    1,335
    #1053
    Quote Originally Posted by vyn300d View Post
    ok lang din po ba na tanggalin na ang EGR on crdi engines?
    Emissions will suffer at low idle and part load driving condition.

  4. Join Date
    Sep 2006
    Posts
    1,335
    #1054
    Quote Originally Posted by chilledoxygen View Post
    Sir Dieseldude, kakaoverhaul ko lang ng diesel engine (4m40) ko three days ago. My engine has no black smoke na but pag nirev mo ung engine, umiingay ung engine. Parang naka fuel lock. Pag idle, it seems fine but pag bigla mo ni rev-up. Ang ingay talaga ng tunog niya parang knocking sound and seem not normal. what seems to be the problem? I already changed my nozzle tips and calibrated it.
    Mahirap sagutin yan. Okay ba ang power?
    Ito ang possible reasons, easiest to hardest.

    1. Wrong timing of engine gear train.
    2. Wrong injection pump timing.
    3. Wrong /bad nozzles installed, wrong opening pressure.
    4. Bad overhaul.
    5. Etc.......

  5. Join Date
    Sep 2004
    Posts
    161
    #1055
    Quote Originally Posted by Dieseldude View Post
    Emissions will suffer at low idle and part load driving condition.
    Can you recommend me a shop sir? Thanks

  6. Join Date
    Feb 2008
    Posts
    235
    #1056
    Sir isuzu bighorn w/ 4JG2 engine.. Ung PCV is the breater diba po? Correct

    its located naman na after the air filter and mdyo malayo ang distance sa filter, and nag install na din po ako ng oil catch can sa breater. Ang isang napansin ko ay may isang maliit na hose (size ng Vacum hose sa EGR valve) install from the top of the housing ng air filter na connected sa turbo. At what part of the turbo is this hose connected to? You may have your hose connections mixed up. Do you see oil or boost pressure coming out of this hose while the engine is running? (at idle and at maximum rpm) Sir I dont know if there's a boost but its dry and no mark of oil when I removed it, Its connected in the upper right side of turbo (when facing the engine)

    ok lng po ba na temporarily remove this hose to see if it's the cause or it will harm the turbo if removed? I don't think it will harm your turbo. I'll try to removed this hose and see if there's an improvement, I'll also try to re-direct the PCV hose (from oil cath can outlet) to the ground and see if oil will still occur on my filter element.



    Thanks

  7. Join Date
    Jun 2008
    Posts
    41
    #1057
    Quote Originally Posted by Dieseldude View Post
    Mahirap sagutin yan. Okay ba ang power?
    Ito ang possible reasons, easiest to hardest.

    1. Wrong timing of engine gear train.
    2. Wrong injection pump timing.
    3. Wrong /bad nozzles installed, wrong opening pressure.
    4. Bad overhaul.
    5. Etc.......
    I drove it kanina. No power at all. When fuel lock occurs (yung noise), nawawalan ng hatak. And mejo mausok sha pag naka fuel lock. Pero one click start naman sha kahit umaga. I suspect the injection pump? Pag magpacalibrate ng pump mga how much sa inyo sir?

  8. Join Date
    Dec 2009
    Posts
    16
    #1058
    ako din naghahanap ng mekaniko ng bighorn..

    symptoms:

    1.. habang tumatakbo, biglang mawawalan ng hatak, tapos mamamatay (parang walang gas)

    2.. pag reset ng keys, start agad..

    3.. pag check sa pitpump, may hangin.. (bagong palit po yan ha)

    4. sa injector na kaya ang problema??

    salamats

  9. Join Date
    Sep 2006
    Posts
    1,335
    #1059
    Quote Originally Posted by chilledoxygen View Post
    I drove it kanina. No power at all. When fuel lock occurs (yung noise), nawawalan ng hatak. And mejo mausok sha pag naka fuel lock. Pero one click start naman sha kahit umaga. I suspect the injection pump? Pag magpacalibrate ng pump mga how much sa inyo sir?
    This is probably an egr problem.

  10. Join Date
    Sep 2006
    Posts
    1,335
    #1060
    Quote Originally Posted by rgbengano View Post
    ako din naghahanap ng mekaniko ng bighorn..

    symptoms:

    1.. habang tumatakbo, biglang mawawalan ng hatak, tapos mamamatay (parang walang gas)

    2.. pag reset ng keys, start agad..

    3.. pag check sa pitpump, may hangin.. (bagong palit po yan ha)

    4. sa injector na kaya ang problema??

    salamats
    Hanapin mo muna yung source ng air suction leak sa fuel lines...... baka nanggagaling sa loose hose clamps dahil bago na kamo ang feed pump mo (filter base).

    Pag na-correct mo na and air leak at ganun pa din ang problem, the electronics have to be checked. Walang problem ang injectors mo.

Diesel Fuel Injection System Help Desk