In article <sqWdnXwQeKPSGpbd4p2dnA@comcast.com>,
"R. P." <r_pol12gar@hotmail.com> wrote:

> I noticed lately that the effective range of my garage door opener
> is greatly reduced when the engine is running vis-a-vis when it is not.
> This was not always the case and wonder if it may have something to do
> with some kind of electrical shielding removed or disconnected during
> one of the regular maintenace visits at my Honda dealer. The car is a
> '94 Accord LX model that otherwise runs just fine.
> The only reason I can imagine for this behavior is that somehow the
> electro-magnetic field around the running engine is interfering with the
> garage door opener's RF signal but I'd like to hear from anybody
> knowledgeable on this subject. I have no idea what exactly a service
> technician could have done to cause this effect.
>
> Rudy
>

Do you get buzz or pops on the AM radio? If so, an ignition wire could
have a broken conductor.