Cub Cadet Challenger Series User Manual

Engine Management System
7‐9
 Make sure to perform work in well ventilated area and away from any open fire/
flames.
 Wear safety glasses.
 To relieve fuel vapor pressure in the fuel tank, remove the fuel filler cap
and then reinstall it.
 To relieve pressure in the fuel lines, disconnect the power to the pump, pull the
spark plug boot off of the plug and place it away from the plug. Crank the
engine to release the pressure in the lines.
 After servicing, make sure that the fuel hoses and clamps are connected
according to the hose fitment instructions given in vehicle instruction manual.
 Check for any fuel leakage.
 Fill the fuel tank with at least 3 liters of fuel, then turn on the ignition switch to
cycle the pump and prime the system.
Fuel Module Diagnosis
Step Action Yes No
1
Switch on ignition key. Fuel pump
primes for 3 seconds when the
ignition key is ON.
Check for fuel pump running noise
for 3 seconds after ignition key is
ON.
Do you hear the
pump running?
Go to step 4
Go to step 2
2
Disconnect fuel module coupler.
Check voltage at harness coupler.
Is the voltage within 10-14V DC?
Go to step 3
Check the electrical
circuit from ignition
to fuel module
3
Connect 12V DC power supply
(battery) to the fuel pump
module.
Make sure that enough fuel is
available in the fuel tank to avoid
the fuel pump running dry. Is the
fuel pump running?
Check the
electrical
circuit
from fuel pump
module to the
ECU
Check the ECU
Check the fuel
pump
harness
integrity
Check the fuel pump
4
Check fuel pressure pattern at
injector.
Pull injector off the manifold and
place it into a suitable catch can
for gasoline. Crank the engine
over and watch the spray pattern.
Fuel pump module
operation is normal
Check for blockage
or a clogged tip of
the injector.

Cub Cadet Challenger Series Specifications

General

Brand	Cub Cadet
Model	Challenger Series
Category	Utility Vehicle
Language	English