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Thread: Loss of power in my 2.8

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    Advanced Major Black's Avatar
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    Loss of power in my 2.8

    Under moderate power around 2700 rpm. The seems to loose boost or something. It becomes very slow and wont pick up much speed. If u back off a bit and reaccelerate it will go fine again and sometimes cut out again. Bit of a pain of ur going around a road train or going up a hill. It starts to do this around town as well.
    1998 2.8l Turbo Diesel Patrol Wagon, Bullbar, Towbar, Spotties, Snorkel, Oricom UHF, 2 1/2" Dobinson lift

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    Patrol God Finly Owner's Avatar
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    Have you checked the air filter? Is it blowing smoke when doing this?

    Tim
    Getting Older Is Unavoidable, Growing Up Is Optional!

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    Expert damianovdd's Avatar
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    I have a similar problem - when pushed hard/very accelerator pedal car is not accelerating, but the car is drowning (choke - I do not know which word to use). If you press the pedal lightly and submit gas gradually, then the car starts to accelerate. This bothers me a little when overtaking another vehicle - not enough power or lose power.
    As a solution to the problem of the service I was told to spew oil into the fuel.

    So I now read about a 2t oil in the fuel, and will try it when next filling up the car with fuel.
    GR; Y61; 1998; RD28TDI; MANUAL TRANSMISSION;

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    Yea the air filter is reasonably new. Its like the turbo just stops making boost you can back off and feed it again some times it will go well others it will cut out again. It start s about half throttle its just been bugging me for awhile. It does soot intermitently from time to time, but not always. Some days it wont soot a great deal and others it will leave clouds of soot
    Last edited by Major Black; 10th May 2011 at 09:03 PM.
    1998 2.8l Turbo Diesel Patrol Wagon, Bullbar, Towbar, Spotties, Snorkel, Oricom UHF, 2 1/2" Dobinson lift

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    Expert pollenface's Avatar
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    Quote Originally Posted by damianovdd View Post
    So I now read about a 2t oil in the fuel, and will try it when next filling up the car with fuel.
    Be careful doing this as some 2t oils contain zinc which is not good for injector nozzles (eg racing oil) and you may loose more performance.
    2008 CRD Auto Wagon
    Factory snorkel, flashlube catchcan pro, 3" manta exhaust, hpd boost controller, dyno-tuned & egr deleted

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    Quote Originally Posted by pollenface View Post
    Be careful doing this as some 2t oils contain zinc which is not good for injector nozzles (eg racing oil) and you may loose more performance.
    Just use the cheaper non synthetic oil and you will be fine. I have done this for years and found the vehicle was a bit quieter in operation, no other positives I can detect - some claim power increases, torque increase, lower soot - have not seen any of these.

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    Legendary timbar's Avatar
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    I dont know much about Diesels but sound maybe blocked injectors or fuel pump maybe or stickky or faulty choke ???? just as a starting point i would be looking at Good Luck

    1989 GQ LPG / PET TB42 LWB WAGON 4'LIFT 33's
    WELCOME TO THE MUD PITT WE DRIVE NISSAN PATROLS
    WARNING: Towballs used for recoveries can, and do kill people and damage property.

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    Advanced _Greg's Avatar
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    sounds to me like it is a sticky waste gate on your turbo. mine did this for a while. i pulled the turbo down and cleaned all the sut out (and the oil). this free'd up the wastegate and it then functioned properly again. if you are on the fly and need a quick fix, just spray some WD40 onto the wastegate shaft that goes into the exhaust pipe.

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    have you checked the fuel filter ? mine was on the dyno the other day and at higher revs was sucking in air through an O ring, re-assembled the fuel filter assembly and all OK again.
    2004 ST GU4 TD42Ti

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    Expert damianovdd's Avatar
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    mine problem is gone - changed the clutch and the air filter. After 1 mount changed fuel filter, oil filter, and 2 air filters. The troll is as new.
    GR; Y61; 1998; RD28TDI; MANUAL TRANSMISSION;

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