It's under the drivers side seat on the fuel line. You will need to remove the transmission cover to get to it.
unleded fuel
On my 2002 it is mounted just in front of the fuel tank.
Passenger side frame rail. It's an inline filter.
Look under the vehicle along frame follow fuel line from tank
It is located under the upper intake manifold, attached to the bank of fuel injector poppets also known as the "spider". The upper intake manifold must be removed to gain access.
where is the oil filter located on an 2002 GMC Envoy
It takes about one hour to relace a key switch in a 1993 GMC Sanoma.
On the left side (driver side) in the frame about driver door.
Drivers side, against frame rail, mid section.
Along the drivers side frame rail just ahead of the tank.
you can't
2003