Cadillac XT4 Owner Manual (GMNA-Localizing-Europe-15440913) - 2022 -
CRC - 5/13/21
DRIVING AND OPERATING
267
Water in Fuel Troubleshooting
If a WATER IN FUEL message
illuminates:
Problem
Recommended
Action
Message displays
but turns off
during the
ignition cycle.
The fuel filter is
approximately
half full of water.
Drain the water
immediately. See
"Removing Water
from the Fuel
Filter" later in
this section.
Problem
Recommended
Action
Message displays
and stays on.
Drain the fuel
filter
immediately.
If no water can
be drained, and
the temperature
is below freezing,
then water may
be frozen in the
filter. Move the
vehicle to a warm
location to thaw
the water, and
then drain the
fuel. If water still
does not drain,
see your retailer.
Problem
Recommended
Action
Immediately
after refuelling,
message displays
and stays on.
A large amount
of water is in the
fuel tank. Drain
the fuel filter
immediately.
If the message
remains
illuminated,
or illuminates
again without
refuelling, then
fuel tank purging
is required. See
your dealer. If the
message displays
and the vehicle
stalls or running
is rough, do not
drive until the
water-contami-
nated fuel is
drained.