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Sienna Spark plugs

  

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Is there anyway to check or test to see if I need new spark plugs on my 2008 Toyota Sienna V6? I just got this van and the back plugs are a nightmare to change myself, and I don't want to spend $500 to have someone do it and find out that they are fresh. I checked the car fax and the previous owner and they have nothing to report on it. 

I feel like I'm just gonna have to bite the bullet and replace them. It's 210,000 miles on it and it's getting crappy mpg. 


1 Answer
1

One of Scotty's videos about sparkplugs

https://www.youtube.com/watch?v=eMc9RoTw90I


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