white substance on spark plugs
06-19-2003, 09:19 PM
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white substance on spark plugs
this is regarding a friends vw jetta.... there is a white powdery substance on his spark plugs, he has replaced them a few times but it comes back in a few days and causes the engine to studder, anyone have any thoughts on this?
06-19-2003, 09:44 PM
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Re: white substance on spark plugs (X2BOARD)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by X2BOARD »</TD></TR><TR><TD CLASS="quote">White tipped plugs means running lean... but is that a gunky residue ?
Any smoke out the back ? </TD></TR></TABLE>
thanks, that is what i said when he first told me but apparantly the plugs actually have a residue on them that is hindering the spark. i have not seen the car in action, he only described it to me at work, so i dont know if it smokes, i'd be willing to bet that it doesnt though or he would have mentioned it.
Any smoke out the back ? </TD></TR></TABLE>
thanks, that is what i said when he first told me but apparantly the plugs actually have a residue on them that is hindering the spark. i have not seen the car in action, he only described it to me at work, so i dont know if it smokes, i'd be willing to bet that it doesnt though or he would have mentioned it.
06-19-2003, 11:03 PM
#4
Honda-Tech Member
Re: white substance on spark plugs (euclid)
were you guys wacking it in the engine bay again??!!!! 
MY theory would be......
you are experiencing blowby...which as we all know is when oil seeps through rings/seals and gets in combustion chamber..... SO.....i it is white, i would think that water/antifreeze is in the oil.....which is NOT good....could be a blown headgasket or warped head.....get it checked out soon
MY theory would be......
you are experiencing blowby...which as we all know is when oil seeps through rings/seals and gets in combustion chamber..... SO.....i it is white, i would think that water/antifreeze is in the oil.....which is NOT good....could be a blown headgasket or warped head.....get it checked out soon
06-20-2003, 01:56 PM
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Re: white substance on spark plugs (SpoonFedHatch)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by SpoonFedHatch »</TD></TR><TR><TD CLASS="quote">were you guys wacking it in the engine bay again??!!!!
MY theory would be......
you are experiencing blowby...which as we all know is when oil seeps through rings/seals and gets in combustion chamber..... SO.....i it is white, i would think that water/antifreeze is in the oil.....which is NOT good....could be a blown headgasket or warped head.....get it checked out soon </TD></TR></TABLE>
wow, that is a problem... i will ask to look at them first hand on monday.
MY theory would be......
you are experiencing blowby...which as we all know is when oil seeps through rings/seals and gets in combustion chamber..... SO.....i it is white, i would think that water/antifreeze is in the oil.....which is NOT good....could be a blown headgasket or warped head.....get it checked out soon
</TD></TR></TABLE>wow, that is a problem... i will ask to look at them first hand on monday.
06-20-2003, 02:14 PM
#6
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Re: white substance on spark plugs (euclid)
Post a picture of 'em.
Sounds like your running lean.
You can test the blowby theroy by revving the engine really high, white smoke? BOO YEAH! Get what I mean?
Let me explain the above a little more, I sound like a idiot...
Rev engine really high, if you see a cloud of white smoke then you might have coolent in the mix. Do you see any other smoke, no, then get a FRP and upgrade fuel PSI/volume...
Sounds like your running lean.
You can test the blowby theroy by revving the engine really high, white smoke? BOO YEAH! Get what I mean?
Let me explain the above a little more, I sound like a idiot...
Rev engine really high, if you see a cloud of white smoke then you might have coolent in the mix. Do you see any other smoke, no, then get a FRP and upgrade fuel PSI/volume...
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06-20-2003, 02:33 PM
#9
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Re: white substance on spark plugs (00MRSi)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 00MRSi »</TD></TR><TR><TD CLASS="quote">white stuff sound like carbon buildup. Does he have any mods?</TD></TR></TABLE>
Carbon would be black.
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote »</TD></TR><TR><TD CLASS="quote">white substance on spark plugs</TD></TR></TABLE>
Let me snort it, I'll tell ya if I get high...
Carbon would be black.
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote »</TD></TR><TR><TD CLASS="quote">white substance on spark plugs</TD></TR></TABLE>
Let me snort it, I'll tell ya if I get high...
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