5000CD Quattro Wagon (Canada) L5-2226cc 2.22L SOHC Turbo (MC) (1986)
If fuel consumption reading is 5 mpg, (0 1/100 km) there is a break in wiring from contacts 1 and/or 2 on the fuel consumption sender.
If consumption display NOT OK, - check fuel consumption sender
Reset Button
Range display, mi------> ^
(km------>
^), checking
Note
In the following test, computer calculations are based on an average consumption of 10 1/100 km regardless of the display units.
Example:
with 60 liters fuel in the tank, 600 km is displayed
Work sequence
-
switch ignition OFF
-
press reset button and hold
-
switch ignition ON
-
release reset button
Fuel Tank Content Display
-
check display
^
fuel tank content x 10
If fuel tank content x 10 is displayed, - check fuel consumption correction factor.
If fuel tank content x 10 is NOT displayed, fuel tank content must be indicated on fuel gauge in instrument cluster.
If fuel tank content is NOT indicated by gauge, - check fuel gauge.
If fuel tank content is indicated on gauge, - check wiring between fuel gauge and computer using current flow diagram
If wiring is OK, - replace computer