This is a "classic" Ford problem.  Ford has a TSB about adding a filter to
the fuel pump.
See:
http://www.arrl.org/tis/info/fuel.html
73, 
Ed Hare, W1RFI
ARRL Laboratory Supervisor
225 Main St
Newington, CT 06111
Tel: 860-594-0318
FAX: 860-594-0259
Internet: w1rfi@arrl.org
ARRL Web: http://www.arrl.org
ARRL Technical Information Service: http://www.arrl.org/tis/
-----Original Message-----
From: Bill Putney [mailto:billp@dune.wwpc.com]
Sent: Wednesday, February 07, 2001 7:34 PM
To: rfi@contesting.com
Subject: Re: [RFI] Mobile radio noise - Nissan Pathfinder
Thanks to everyone who responded. It is indeed the in-tank fuel pump. There
is
a fuse for the fuel pump in the main fuse block. If I remove the fuse the
noise
goes from S8 to S3.
I have the maintainance manual for this car and I thought I would be able to
find something showing where the pump wiring exits the tank but I guess they
figure everyone knows that.
I'll let you all know how the filter experiment goes once I find the pump
wiring.
- Bill
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