Rudy,
One other idea. Try using your handheld transmitter outside of the
car with the car turned off and walking up and down your driveway.
That should give you an idea if the car is interfering or not.


"R. P." <r_pol12gar@hotmail.com> wrote in message news:<rtqdnUNosI12LJHdRVn-vw@comcast.com>...
> "Doordoc" <doordoc@prodigy.net> wrote:
> > Is the transmitter one that is built into the visor or roof console or
> > is it a standard garage door opener transmitter that is normally hung
> > on the visor w/ a clip? If it is built-in I would guess that something
> > like a short is drawing off the transmitter power when the car is
> > running. If it is a stand alone transmitter the transmitter battery
> > could be weak (do not use alkaline batteries) or the transmitter could
> > be slightly out of tune and the running engine blocks out the weak
> > signal. There is also the chance that your receiver in the garage is
> > sending out a weaker signal then what it use to.
>
> I have the same old hand held garage door opener I've had before
> this problem started. It is NOT one of those newer, more secure openers
> with the rolling or encrypted code. Replacing the battery seems to make
> no difference. There must be some kind of RF interference emitted from
> the running car that seems to act as a jammer on the garage door
> transmitter and I figure it must have started after one of the regular
> service visits but I did not make the mental connection right away. I
> used to be able to open or close the garage from the street at the end
> of my driweway but now I have to work at it with the car's front almost
> touching the garage door. It's really frustrating.
>
> Rudy