Mine is not vibrating, it's rattling. I am not the original poster. My mechanic said nothing about plugs, in fact i said i had mine changed...wires and all. I think you confused the posts. You quoted mine, but i never said anything about vibrations. It sounds like my vibe is experiencing the same no...

Do you have an aftermarket brand or OEM? I was also told my O2 sensors could have something to do with it. Either way I think you will be fine.

hmmm....I'm very meticulous in my maint schedule. I'm at 107,000 miles and have done all the fluid flushes, plugs, ac charge, tires, etc... plugs would involve more of a misfire or something more internal. My rattling is something more external. I don't think mine is a huge issue, I just hate hearin...

I have the EXACT same problem. It's most prevailant in he mornings or cold. Sometimes it sounds like a plate underneath, like a differential cover or something, and everytime I swing by the mechanic it's warmed up and stops. They've mentioned the motor mounts as well. Have you figured this out yet?

Newbie here...first post actually. I have a 2003 lava vibe. I had the check engine light about 2 years ago come on. Replaced the catalytic converter (Midas did actually) and the problem was solved. 3 months ago the light came on again, 2 days after emission inspection. Took it back and they said the...