Nilfisk-Advance Advance Retriever 2060 Service Manual page 164

' , $ * 1 2 6 7 , & 3 5 2 & ( ' 8 5 ( 6
Check MAP
sensor
connections
Replace fuel
injector
Adjust / replace
primary
regulator
Adjust timing
or repair
harness / module
See engine service
manual
ZENITH FUEL SYSTEMS,
Check MAP
OK
sensor with
alternate sensor
YES
Leaky
Injector ?
NO
Fuel press.
Primary reg.
28 psi ?
Adjust
Secondary
reg. 24 psi
NO
Ign. timing
OK?
Runs OK
( Q J L Q H U X Q V U L F K ² / 3 *
check coolant and
OK
air temperature
sensor connection
OK
Check air/coolant
sensors resistance
NO
YES
NO
Adjust / replace
secondary
regulator
YES
YES
OK
as per chart
Page 9: 15