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  1. Join Date
    Nov 2002
    Posts
    183
    #1
    The engine alone runs good but i noticed that intermittently, the whole engine vibrates. This is quite noticeable at idling speeds. Is it caused by misfiring spark plug/s?

  2. Join Date
    Oct 2002
    Posts
    15,528
    #2
    could be one of the reason. pwede rin na nasa A/C system. yung oto ko kasi before is ganun din. tapos may intermitent engine vibration. yun pala barado yung evaporator tsaka yung adjustment valve.

  3. Join Date
    Nov 2002
    Posts
    183
    #3
    could be one of the reason. pwede rin na nasa A/C system. yung oto ko kasi before is ganun din. tapos may intermitent engine vibration. yun pala barado yung evaporator tsaka yung adjustment valve.
    Isn't it that a clogged evaporator causes low cooling?

  4. Join Date
    Oct 2002
    Posts
    2,716
    #4
    di kaya sa HT wires mo

  5. Join Date
    Mar 2003
    Posts
    91
    #5
    i think kailangan lang ng tune-up ng auto mo.. pa check mo nlang sa mechanic mo baka nung last time niyang ginawa ung auto meron siya ginalaw so pa check mo nlang sa kanya.. :D

  6. Join Date
    Oct 2002
    Posts
    2,919
    #6
    malamang nga sparkplug, sabi nga ni buddyclub pa check/tune-up mo na lang.

  7. Join Date
    Oct 2002
    Posts
    29,354
    #7
    Quote Originally Posted by colt45
    The engine alone runs good but i noticed that intermittently, the whole engine vibrates. This is quite noticeable at idling speeds. Is it caused by misfiring spark plug/s?
    check your high-tension wires... especially if you are using aftermarket wires. Reinstall your stock wires and check again.

  8. Join Date
    Nov 2002
    Posts
    183
    #8
    thanks for all the suggestions.:D

  9. Join Date
    Mar 2006
    Posts
    17,511
    #9
    aside from rough idling, are there any other symptoms of misfiring?

  10. Join Date
    Aug 2003
    Posts
    3,273
    #10
    ganyan experience ko a few months ago. sira na pala yung isang HT wire ko. replaced it and readjusted the timing. ok na ulit.

    madali lang naman i-DIY check eh. just pull the wires one at a time (only one at one time). when you pull a wire and hindi nagpalit (or very minimal lang ang change) ng takbo yung engine, either spark plugs nga yan or yung wire ang problem.

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misfiring spark plugs?