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Thread: Diesel Pajero cold starting issue

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    Default Diesel Pajero cold starting issue

    Hi all
    Recently, I purchased 1992 model Pajero diesel 2.5TD. Im facing the problem of cold start. In the morning, it refuses to start even after 10 heaters. After 12 o clock noon, it starts after 2nd or 3rd try. And after starting once, then without any heater, it is half self start. Also gives smoke at start.
    It is driven more than 300k kms. I want to know from experts whether it is due to glow plugs, timing, valve seals, or nozzles of pump.
    I know the problem will be resolved after this cold weather but want to dig out the reason. Also suggest any other solution if needed.
    Shall be grateful for this help.
    Regards


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    Quote Originally Posted by Xulfiqar View Post
    stoves under the engine are a bit dangerous unless you have a russian truck that only has 2 meters of wiring in it.. I have been to alaska and this is how diesel engines are started in -40C.

    make sure the engine block heater was plugged in overnight (coolant mix should be compatible with the temperature)
    make sure the engine oil is full synthetic and proven to flow in cold
    make double sure your battery is up to snuff (some even installed battery warming blanket)
    make sure the fuel is not gelled (half kero half diesel)
    make sure the gearbox is disenaged in manual or the ATF is synthetic in aatome tuc
    press the accelerator to the floor 2 times and release (if old school injection pump)
    glow for full 1 cycle
    crank engine, if it catches - even on 1 cylinder keep it running till it catches all.




    @AmeerUsman

    Now you are in a big trouble

    I told you the easiest method

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    Quote Originally Posted by Xulfiqar View Post
    a bit danerous..

    Diesel Pajero cold starting issue -1333399





    That is funny xulfiqar ................. I didn't said start bonfire under Pajero Rather said put a gas stove under the engine bay with small flame

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    Now im totally confused. My thread is converted to a funny post. Anyway @Xulfiqar Bhai what do you suggest about my post #1.

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    Quote Originally Posted by engineermali View Post
    @AmeerUsman



    What is your id at FB ???
    Ameer Usman Moon

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    Quote Originally Posted by AmeerUsman View Post
    Ameer Usman Moon

    Added U

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    Quote Originally Posted by engineermali View Post
    Added U
    Ok boss. Nice 2 meet u.

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    Quote Originally Posted by AmeerUsman View Post
    Ok boss. Nice 2 meet u.

    Nice to meet you too

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    Check glow plugs and glow plugs relay,being overaged contacts of relay gets worn out and obstructed current flow.
    Never loose hope in life,every step gives u something.

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    [QUOTE=AmeerUsman;4198770]@MITSU_MAN Any idea? Is engineermali right?[/QUOTE @AmeerUsmanThank you for remembering........Cold starts 4D56......hmmmm......culprit 1. glow plugs 2. heater timer/ relay feeding the plugs 3. pump timing in relation to the engine's.Your compression seems pretty decent for a 300k mileage car when you say she fires up in an instant once warmed up ( the test is.....when she is warmed up.... to fire her up without giving a single heater like cranking a gasoline engine). A small puff of black smoke at the initial crank is normal......continous black requires pump recaliberation.......while white usually indicates an aging turbo. If your car is a domestic version it should have dual batteries to support the cold starting conditions as in Japan......desi imports have a single one but if your battery is amperage is good it should hold out evenly well. Lastly, it is recommended by the manufacturer to add 5-10 % of gasoline of the total volume in your diesel tank for extreme cold weather starts, but this should only be done once all other issues mentioned above have been sorted out. Hope this helps.
    MEN DO IT AT DAKAR!!!

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    Last year I had similar experience with my HJ60, 1989, 425 k with stock 2H engine, I took it to Swat Peace Snow Rally in Kalam and due to snow blizzard the tmp went upto -11 in morning with 2-2.5 ft snow, hardly tires were visible but thank Allah almighty i put Toyota Anti Freeze Coolant pre mixed 50/50% although it had cost me 10k to fill this beast with 15 lit of coolant but my ride got started on second self. Check the glow plugs first.

    Diesel Pajero cold starting issue -1333847
    Diesel Pajero cold starting issue -1333849

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    [QUOTE=MITSU_MAN;4199473]
    Quote Originally Posted by AmeerUsman View Post
    @MITSU_MAN Any idea? Is engineermali right?[/QUOTE @AmeerUsmanThank you for remembering........Cold starts 4D56......hmmmm......culprit 1. glow plugs 2. heater timer/ relay feeding the plugs 3. pump timing in relation to the engine's.Your compression seems pretty decent for a 300k mileage car when you say she fires up in an instant once warmed up ( the test is.....when she is warmed up.... to fire her up without giving a single heater like cranking a gasoline engine). A small puff of black smoke at the initial crank is normal......continous black requires pump recaliberation.......while white usually indicates an aging turbo. If your car is a domestic version it should have dual batteries to support the cold starting conditions as in Japan......desi imports have a single one but if your battery is amperage is good it should hold out evenly well. Lastly, it is recommended by the manufacturer to add 5-10 % of gasoline of the total volume in your diesel tank for extreme cold weather starts, but this should only be done once all other issues mentioned above have been sorted out. Hope this helps.
    Sir thanx a lot for a detailed list of culprits. There is smoke only @ startup and no continuous smoke during running. And yes, it has two batteries and both of them are ok coz after so many selfs, there is no issue of amperage.
    Previous owner told me that heaters are ok as far as his mechanic told. But still i shall check these as soon as I find time. And lastly, hope not to put a stove underneath...hahaha.
    Regards

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    Quote Originally Posted by argtr65 View Post
    Check glow plugs and glow plugs relay,being overaged contacts of relay gets worn out and obstructed current flow.
    Sir jee thanx for suggestion. Will check these soon Insha Allah.

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    Quote Originally Posted by jehanzebnasir View Post
    Last year I had similar experience with my HJ60, 1989, 425 k with stock 2H engine, I took it to Swat Peace Snow Rally in Kalam and due to snow blizzard the tmp went upto -11 in morning with 2-2.5 ft snow, hardly tires were visible but thank Allah almighty i put Toyota Anti Freeze Coolant pre mixed 50/50% although it had cost me 10k to fill this beast with 15 lit of coolant but my ride got started on second self. Check the glow plugs first.

    Diesel Pajero cold starting issue -1333847
    Diesel Pajero cold starting issue -1333849
    Sir, I noticed that there is no coolant in mine. Radiator is filled with water only. Will put it soon. I used pink color coolant from toyota (genuine) for my 2.0D previously, so will put the same in becharo. BTW nice pics of ur LC.

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    @AmeerUsman

    The Coolant experience.....
    Use Caltex's orange coolant but if your rad is only filled with water I'd NOT recommend going 50% mixing ratios straightaway. Might dislodge the sludge/rust in your system and resultantly choke your radiator altogether. Start with a litre in the entire system and drain around 2 weeks of usage. Notice the amount of debris coming out and repeat if it is significant. Go 50-50 later, after these cycles only.
    MEN DO IT AT DAKAR!!!

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    Quote Originally Posted by MITSU_MAN View Post
    @AmeerUsman

    The Coolant experience.....
    Use Caltex's orange coolant but if your rad is only filled with water I'd NOT recommend going 50% mixing ratios straightaway. Might dislodge the sludge/rust in your system and resultantly choke your radiator altogether. Start with a litre in the entire system and drain around 2 weeks of usage. Notice the amount of debris coming out and repeat if it is significant. Go 50-50 later, after these cycles only.
    Sir thanx for the valuable suggestion. btw can u please share the price of this coolant?

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    What is the approximate cost of pump service/calibration? Will liquimoly diesel purge serve the same purpose? Share please if someone knows.

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    Quote Originally Posted by AmeerUsman View Post
    Sir thanx for the valuable suggestion. btw can u please share the price of this coolant?

    800-900 to a litre
    MEN DO IT AT DAKAR!!!

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    - Shogun. Mine. Starts even at 0?C. 4m40. 1994. 2.8TD.
    Attached Images Attached Images  

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    according to zubaida aapa, if u fill the radiator with boiling water from cattle, the engine would start without any troubles,
    people who use Highbeams.. once day would suffer too bigtime. People who drive slow on fast lanes, remember one day a vehicle carryin ur son, dad might get late to hospital coz people like u. underaged driving will land u in bigtime trouble one day or the other.. And the Blue indication light on ur speedometer denotes "High Beams"

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    Quote Originally Posted by Ezaaan View Post
    - Shogun. Mine. Starts even at 0?C. 4m40. 1994. 2.8TD.
    For 4M40, the story may be different. For 4D56, the trouble of starting is on higher side. But I will fix it soon Insha Allah.

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