'98 Amigo, V6 3.2L 4x4, 5speed, 71,000 miles
Recently I started hearing a new noise from the engine that sounds almost
like having an electric motor there instead of the gasoline engine. The
"buzzing / humming" increases with engine speed. It is unrelated to vehicle
movement. It is loud enough to be heard at highway speeds. Occasionaly the
noise goes away, but it also returns.
Before I start tearing things apart searching for the source, I'd like to
hear the group's ideas, or if anyone has had a similar noise.
This stated a day or two after I changed oil and filter, and at the same
time the weather got cooler here in Texas. The serpintine belt is about 1