The ECM on the Vandura 2500 is under the Driver's seat.
3254
Yes
Ebay =)
My 93' vandura has a 5.7 liter 350cubic inch engine.
I just drove from Ohio to Arizona with a 1989 GMC 2500 and averaged 15.5 mpg.
autozone
hydromatic 400
On the back of the motor next to the transmition.
Standard is 22 gallons.
Answer to: Where to find the fuel filter for a 1994 GMC Vandura 2500? Try looking on the under carriage just below the driver's door. There you should find a 3" cannister on the fuel line.
.all I can say is my '92 2500 vandura has a 350 in and it does the job...don't know if all of 'em are the same size or not dt