Problem
Output reduction
The vehicle battery warning
light remains on
The warning light for water
presence in fuel remains on
The MIL warning light remains
on
The particulate filter warning
light remains on
The warning lamp (DWS) re-
mains on
English
Cause
Fuel filter cartridge clogged
Air filter clogged
To be investigated with suitable
diagnostic equipment
To be investigated with suitable
diagnostic equipment
Presence of water in the fuel
filter
To be investigated with suitable
diagnostic equipment
To be investigated with suitable
diagnostic equipment
To be investigated with suitable
diagnostic equipment
67
R754EU6C
Remedy
Replace the filter cartridge, see
"Fuel filter cartridge replacement"
on page 59 and "Air bleeding from
the fuel supply circuit" on page 60
Clean or replace the filter, see "Air
filter cleaning and replacement" on
page 52
Contact an authorised workshop
Contact an authorised workshop
Drain the fuel filter. See "water blle-
ding from the fuel supply circuit" on
page 61
Contact an authorised workshop
Contact an authorised workshop
Contact an authorised workshop
42432104F
GB