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  1. Join Date
    Mar 2008
    Posts
    52,731
    #11
    Quote Originally Posted by Kimchijiji View Post
    I drove around 7kmsmas kf today. Refuel knina pero hnd pa full tank kasi iniisip ko ipadrain kng magkakaserious damage tlga
    if your engine has not yet detected the bad gas, then perhaps the gas boys did not put in the wrong fuel after all.

  2. Join Date
    Jan 2016
    Posts
    6,689
    #12
    Na curious ako dito at baka mangyari din sakin so sinunod ko payo ni doc na mag google...

    Putting Diesel into Gasoline

    Now, let's look at the reverse – you’re mixing a higher flash, heavier fuel into a base fuel (gasoline) that’s lighter, more volatile and burns at a much lower flash temperature. Despite these differences, putting diesel into gasoline won’t cause nearly as many problems as the reverse.

    The biggest concern is the reduction in octane. Thinking about how gasoline burns in an engine, octane rating is the measurement of gasoline’s ability to ignite at the right time – not too early. Gasoline with lower octane rating will ignite too quickly once it is injected into the chamber. The gasoline ignite and explodes, but the piston is still on its way up and the resulting pressure wave collision gives you (at best) a knocking sound and (at worst) damage to the piston and rod. In a sense, octane slows down combustion, it delays it.

    Gasoline needs to have an octane rating of 87-91 to fit today’s car engines. Diesel fuel has an octane rating of 25-40. Mixing 2% diesel fuel into gasoline will lower the overall octane rating by 1 point. Getting 10% diesel contamination lowers octane by 5 points, which is enough to create problems in most engines. The octane depression rises linearly with increasing percentages of diesel fuel in the gasoline.

    So higher levels of diesel contamination will damage the engine and give you blown pistons and cracked heads. More moderate diesel contamination will give you dirty combustion and can damage the engine over time if something isn’t done.

    Access Denied

  3. Join Date
    Jan 2016
    Posts
    6,689
    #13
    So you put 150 worth of diesel or 4.5 liters, if your tank is 45 liters, that's a 10% mix, I would assume your tank is almost empty and you just placed 150 kesos para mabilis at enough na ito para umabot pauwi. Even at half tank full, sya 25 liters, then the mix would have been 18% or 9 point reduction in octane rating, kung blaze gamit mo down to 91 ka, pero kung 91 gamit mo?

  4. Join Date
    May 2011
    Posts
    481
    #14
    First
    The fuel was not loaded into the engine. It was loaded into the fuel tank.
    Second
    You can make the solution more gasoline than diesel by adding more gasoline
    Third
    After you believe the unpure gasoline is all spent, have the spark plugs replaced
    Fourth
    There shouldn't be a major damage from the accidental wrong fuel as you have stated there was no JND - just noticeable difference
    Fifth
    If it bothers you, drain the contaminated fuel by running the fuel pump direct to power and collect the fuel at the fuel filter fitting or the most convenient location into a suitable container.

  5. Join Date
    Sep 2016
    Posts
    93
    #15
    Moving Forward - MAGlagay ng Sticker sa Gas Tank Cover (UNLEADED) haha para iwas malas.

  6. Join Date
    Jan 2017
    Posts
    429
    #16
    Quote Originally Posted by dr. d View Post
    if your engine has not yet detected the bad gas, then perhaps the gas boys did not put in the wrong fuel after all.
    Would it be easily noticeable? Mga 4-5liters of diesel nakargatpos 1/4 lamang ng fuel ko nun. Drinive ko papnta ko kagabi for 3kms, tapos pgkagcng pauwi ng mga 5. No jitters pero lag sa acceleration yun mga na notice ko

  7. Join Date
    Dec 2005
    Posts
    39,162
    #17
    Quote Originally Posted by Kimchijiji View Post
    Would it be easily noticeable? Mga 4-5liters of diesel nakargatpos 1/4 lamang ng fuel ko nun. Drinive ko papnta ko kagabi for 3kms, tapos pgkagcng pauwi ng mga 5. No jitters pero lag sa acceleration yun mga na notice ko
    Normally, no harm done.

    To be on the safe side, flush it out...

  8. Join Date
    May 2016
    Posts
    2
    #18
    Hirap icompromise ang makina.. Mahal na. . Abala pa..

    Para sating lahat siguro. . Signages really helps..

    Tao din mga gasoline boys natin. Pagod. . Problemada. . Puyat etc.

    Balik sa topic.
    Tama mga payo nila. Flash it out then put signage/sticker!

    Have a safe day boss!

    Sent from my LG-H818 using Tsikot Forums mobile app

  9. Join Date
    Nov 2002
    Posts
    1,515
    #19
    Quote Originally Posted by Kimchijiji View Post
    So kahapon gabi sobrang tired kona at nagpa gas ako sa shell ng unleaded worth 200. When i was about to pay, nakta ko ibang pump nozzle binalik yung kulay itim which is shell fuelsave diesel instead of the green na fuelsave unleaded. Ang tanong ko is bka naghaluccinate lng ako kagabi sa sobrang pagod kya akalain ko diesel nilagay. As of now hnd nmn nag stutter ung engine still runs fine bka kasi konti lng pina gas kong diesel or dapat ma notice ko agad difference? And magkakasya ba nozzle ng diesel sa gas engine? Ang alam ko mas malaki daw ung diesel kya kng ganun hnd magkakasya sakin un.
    You can check ur sales invoice makijita mo kung ano nakarga nila.

    Sent from my SM-J700H using Tsikot Forums mobile app

  10. Join Date
    Jun 2017
    Posts
    177
    #20
    Quote Originally Posted by x-wind View Post
    You can check ur sales invoice makijita mo kung ano nakarga nila.

    Sent from my SM-J700H using Tsikot Forums mobile app
    I believe hindi niya kinuha kagabi ang receipt.

    On the other hand, if it's not too far from you why not go back to the gas station and check the pump itself?

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Diesel loaded in a gas engine