Fuel Pump Check - Husqvarna TC 450 Workshop Manual

FUEL INJECTION SYSTEM

Fuel pump check

Remove the pump as shown on page S.2.
- A: reserve sensor
Check that in the reserve sensor has not remained any gasoline therefore set
the meter on "Impedance" position and effect the reading on the cables BLUE
and WHITE. The value will have to be: 1.3 KOhms (+/- 10%) to 20°C.
- B: pump working
Connect the RED (+) and BLACK (-) cables to a 12V stabilized feeler then check
that the fuel pump runs.
Don't continuously effect this last check for more than 3 seconds.
Part. N. 8000 H1344 (10-2009) S.5