MattsLincoln
New LVC Member
Just bought a 2000 Lincoln Ls 3.0 v6 and I've been having an issue where when I accelerate I get a high pitched humming/buzzing noise from somewhere in the front. Almost sounds electrical? Any suggestions?
Thanks. I'll have some things checked outCould be several things.
I'd be lookin at the belt tentioner and associated pulleys at the accessory drives, could be even something on that like alternator, AC compressor, PS pump.
Possibly even a wheel bearing on its way out.
Could also be a cold air intake if it has one, making some noise when you get on it.
Only does it when you get on it as in WOT ?
Other then that it's running and idling properly.
Might even be a vacuum leak you are hearing.
Is that bad then, I'm fairly sure the coils were replaced right before I bought it, and it has always done it since I have been driving it. Also didn't realize this thread was from 6 years ago lol.In your case Devin... I think you are hearing electrical feedback from the
(or a) ignition coil(s).
There are two suppression caps, one for each bank. They mount on each side of the intake manifold to a manifold bolt, about midway back. Capacitors do degrade with age and heat....
Also... there is supposed to be some sort of capacitor mounted in back of the engine, and under the cowl... to supress the noise.
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