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How can I clean my spark plugs without replacing them?

Tiny
IMAGING
  • MEMBER
  • 2005 TOYOTA SIENNA
  • 3.3L
  • V6
  • 4WD
  • AUTOMATIC
  • 130,000 MILES
To get to them is very difficult and taking it to a shop to replace them is going to be very expensive. So, is there a liquid I can add to the gas tank or oil reservoir to clean them without removing them?
Tuesday, December 21st, 2021 AT 4:17 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,799 POSTS
Hi,

There are different products that are designed to clean fuel injectors, but I never saw one for the plugs. I've had to replace spark plugs after people used fuel injector cleaner. What is the vehicle doing that leads you to believe it needs spark plugs?

Let me know as much as you can so I can best direct you.

Take care,

Joe
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Tuesday, December 21st, 2021 AT 7:03 PM

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