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Remotely interesting remains of sparkplug

  • 26-12-2010 6:57pm
    #1
    [Deleted User]
    Posts: 23,339 ✭✭✭✭


    After failing to jumpstart my 2.5 ZT using the sister's Ford Ka I borrowed the Ka to purchase a new battery. All went well and the sister headed off home and then off to her friends house for a party. Was suprised when she turned up again at 4 ish declaring her Ka was fecked. Check engine light on and it spluttering she claimed. Was thinking that perhaps the thing had taken offence at trying to jump start the ZT. Went out and started it and it was running rough and the light was indeed on. Popped the bonnet and noticed a plug lead not home on a plug, a quick peak at the plug showed half of it was missing......

    this is what it looked like when removed......

    164163_122793741119415_100001663697189_160849_7637323_n.jpg

    As ye can see the bit that the plug lead goes over is completely missing, no sign of it in the plug lead either.

    Other side of plug
    164766_122793711119418_100001663697189_160848_836677_n.jpg

    no sign of the action bit

    156902_122793651119424_100001663697189_160846_8218244_n.jpg

    New plug and the car seemed fine except the check engine light was still on, disconnect and reconnect the battery and that was fine.

    Weird :confused:


Comments

  • #2
    shamwari
    Closed Accounts Posts: 2,142 ✭✭✭shamwari


    Odd one alright James. I wonder if the extreme ambient cold, coupled with the immediate heating of the plug when the car started, caused the plug's ceramic body to crack and then split?


  • #3
    Gary ITR
    Closed Accounts Posts: 16,801 ✭✭✭✭Gary ITR


    Obviously the ZT infected the Ford :p


  • #4
    [Deleted User]
    Posts: 23,339 ✭✭✭✭ [Deleted User]


    shamwari wrote: »
    Odd one alright James. I wonder if the extreme ambient cold, coupled with the immediate heating of the plug when the car started, caused the plug's ceramic body to crack and then split?
    yeah, was thinking that as it looked a fairly clean break on a non stressed area of the plug, feck knows where the actiony part of the plug is though, no indication that its in the cylinder. Seems perfect.
    Onkle wrote: »
    Obviously the ZT infected the Ford :p
    lol, would be no harm
    :pac:


  • #5
    Owen
    Registered Users, Registered Users 2 Posts: 12,683 ✭✭✭✭Owen


    I'd just put it down to a flaky plug - some sort of manufacturing fault.


  • #6
    Stoolbend
    Registered Users, Registered Users 2 Posts: 1,286 ✭✭✭Stoolbend


    Plugs are pressed together in two pieces. The cold must have caused one half to shrink more than the other. I'd check for a dent on the bonnet though!


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  • #7
    Nissan doctor
    Closed Accounts Posts: 8,223 ✭✭✭Nissan doctor


    I'd be changing all the plugs, Looking at that plug(not just the damage) I'd say it was long overdue a change.
    I'd also do a leakdown test or at least a compression test to be sure that none of the plug ended up in the combustion chamber!


  • #8
    Aidan_M_M
    Registered Users, Registered Users 2 Posts: 2,213 ✭✭✭Aidan_M_M


    Is it the older model KA? They're notorious for the plugs seizing into the head , so noharm to changethem anyway.


  • #9
    [Deleted User]
    Posts: 23,339 ✭✭✭✭ [Deleted User]


    Nissan doctor wrote: »
    I'd be changing all the plugs, Looking at that plug(not just the damage) I'd say it was long overdue a change.
    I'd also do a leakdown test or at least a compression test to be sure that none of the plug ended up in the combustion chamber!

    the other 3 weren't too bad, certainly number 4 wasn't at all representative of them :) Wasn't raining today so threw in the other 3 new ones.

    the3.jpg
    Aidan_M_M wrote: »
    Is it the older model KA? They're notorious for the plugs seizing into the head , so noharm to changethem anyway.

    It's a 2001 model. I remove the plugs every 6 months and change them every year usually to try and prevent them seizing in. I've been known to smear some copper grease or vaseline on the threads too, dunno if that's a good idea or not. Didn't bother today :)


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