Re: [IRCA] [am] [am] Ignition Noise

["Craig Healy" <bubba@xxxxxxxxxxxxxxxxxxxx>]

> The antenna is tight so it's not that.

Proximity to the engine matters.  If it's at the opposite end of the car
from the engine, it gets less noise.

> The tires are almost brand new...purchased in December.

Most tires these days have an anti-static compound in them.  Years ago it
was an issue.  On a dry day do you ever get a static electricity zap
touching the door handle when you get in?  If not, that's not going to be
the problem.

> It was better today driving into work this morning. The rain last night
> cleared things out, but I know it will return when it's dry again.
>
> The noise is a constant whine.

If it is an impulse-type noise, then it's ignition.  A whine usually
indicates a bad alternator, fan motor or perhaps a wiper motor.  Do you have
a rear window wiper?  Sometimes that gets left on wuthout being noticed,
especially if the wiper arm has been removed.

Do you notice it with the ignition on before you start the car?  That could
be computer or fuel pump.  Most often the in-tank electric fuel pump is well
suppressed, but sometimes not.  Or, the suppression can fail.  It may be a
ground has fallen off somewhere.

Craig Healy
Providence, RI

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