answersLogoWhite

0

The threads in the head may be dirty. Try cleaning them out with a round wire brush. If that does not work, try a different plug. If another spark plug will not tighten, then the threads in the head are damaged and you need them professionally repaired.

User Avatar

Wiki User

14y ago

Still curious? Ask our experts.

Chat with our AI personalities

RossRoss
Every question is just a happy little opportunity.
Chat with Ross
JudyJudy
Simplicity is my specialty.
Chat with Judy
DevinDevin
I've poured enough drinks to know that people don't always want advice—they just want to talk.
Chat with Devin

Add your answer:

Earn +20 pts
Q: Why would spark plug not tighten?
Write your answer...
Submit
Still have questions?
magnify glass
imp