compression check with a stuck spark plug?
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compression check with a stuck spark plug?
Stupid question, but I'm trying to track down a problem with my 4Runner and I have one stuck spark plug. I don't feel like messing with the stuck plug anymore (It's less than 10K miles old anyway). Would I do any damage if I did a compression check on the other 5 cylinders?
#4
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No, you won't hurt anything, but you won't know anything about that cylinder, either.
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Thanks, that what I thought about the compression check, I just wanted to make sure before I make things worse.
I think it's cross threaded. I can get the plug to turn a little bit if I use a breaker bar on it. I have rotated it less than a full turn in all my attempts. I figure at this point it's more worth my time to try a compression check then mess with a stubborn spark plug.
Edit- Mine is the #6 plug too- Is this a common problem? I think I remember using anti seize when I installed them last too.
I think it's cross threaded. I can get the plug to turn a little bit if I use a breaker bar on it. I have rotated it less than a full turn in all my attempts. I figure at this point it's more worth my time to try a compression check then mess with a stubborn spark plug.
Edit- Mine is the #6 plug too- Is this a common problem? I think I remember using anti seize when I installed them last too.
Last edited by stanley; 08-05-2008 at 07:08 PM.
#6
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Well, if you've not created a leak at that plug, you're probably fine. I drove for a while with a crossthreaded plug. Know that you'll have to have that repaired, though, next time you change the plugs.
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Well, im in LR until late August, and then its back up to Fayetteville. I take it your in NW Ark as well?
edit: I wouldn't mess with it if it was crossthreaded either, it could turn into a much larger job. Heli-coiling any spark plug holes on these v6's doesn't look like fun.
edit: I wouldn't mess with it if it was crossthreaded either, it could turn into a much larger job. Heli-coiling any spark plug holes on these v6's doesn't look like fun.
Last edited by jd20phill; 08-05-2008 at 09:11 PM.
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