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Spark Plug Question

mailmandan

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mailmandan Enthusiast

mailmandan

Posted
Posted

I pulled out two of my spark plugs today just to see what kind of shape they are in. Both have greyish white gunk on them and the electrode looks like the tip of a ball point pen. As far as I know they are original and the truck has 45k miles. Is this normal? Never seen one like this before.

txab Senior Enthusiast

txab

Posted
Posted

Here's a pic of plugs with 90k on them along with one new plug from a member here on the forum. Your plugs should be good to go till 100k

 

splugs.jpg

Zembonez Senior Enthusiast

Zembonez

Posted
Posted

pic would go a long way here... but it sounds like you are describing platinum tip plugs. Plugs that are operating correctly and in the right heat range do get a ash colored buildup over time.

mailmandan Enthusiast

mailmandan

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Posted
pic would go a long way here... but it sounds like you are describing platinum tip plugs. Plugs that are operating correctly and in the right heat range do get a ash colored buildup over time.

 

 

The pic I have is blurry so it's pretty much useless. Based on the pic that txab posted, I'm somewhere in between the new and old. Next time I check the oil for my oil consumption issue, I'll pull out the plug and get a better pic. I'm having engine and tranny issues so I'm getting a little frustrated. I burn oil on long hwy trips and my trans shifts nice one minute and crap the next. The dealer says everything is fine. I'm getting a second opinion though.

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