Quote Originally Posted by carlo21 View Post
mga bossing question lang..

paano ko po ba malalaman kung pundido/palyado ang sparkplug ko..??
ano po ang pwede kong i-test?


maraming salamat po..!

i don't know if it can be tested using a voltage tester... hehehe.
but a surefire way to test it is to replace it. in fact, replace all of it. mura lang naman spark plugs ngayon, specially if you are using the stock ones.