Volvo 780 Owner's Manual page 155

Volvo 1990 780 Model
Servicing (Miscellaneous
Maintenance/ EGR, clean), 740 pg
103
Fuel Requirements, Refueling
(Octane Rating) 740 pg 47, 760 pg
49
Fuel requirements, Refueling
(Detergent or Injector Cleaning
Gasoline), 740 pg 47, 760 pg 49
Driving Economy, Carbon
Deposits (Carbon Deposit
Buildup), 740 pg 56 and Break in
Period, Fuel Requirements (Carbon
Deposit Buildup), 760 pg 48
Back cover Addendum
VOLVO
file:///K|/ownersdocs/1990/1990_780/90780_app.htm (3 of 4)12/30/2006 8:28:07 AM
The present information
indicates that EGR valve, clean
inspection should be performed
at the 50,000 mile (80,000 km)
interval.
The present information under
Octane Rating, last sentence
indicates; Turbo models should
he run on RON 95 fuel only.
The present information is;
Detergent or Injector Cleaning
Gasoline The use of specially
formulated gasoline which
contains so called "detergent
injector cleaning" additives is
allowed and recommended by
Volvo. The use of these
detergent additives in gasoline
has been shown to be effective
in reducing the buildup of
certain injector deposits.
The present information is:
NOTE: Volvo does not
recommend the use of fuel
additives as they can adversely
affect engine performance.
The EGR valve, clean
inspection should be
performed at the 60,000 mile
(96,000 km) inspection
interval.
Please disregard this sentence.
The correct information is;
Deposit Control Gasolines -
Volvo strongly recommends
the use of gasoline that has
been refinery blended with
"Deposit Control" additives.
These additives are specially
formulated to prevent the
buildup of certain injector and
intake system deposits. Fuels
containing "Deposit Control"
additives are usually
advertised as such and may
have additional claims to
"clean injectors and intake
valves" or similar wording If it
is not clear whether the fuel
contains such additives, ask
the station operator for further
information regarding the
detergency of their gasolines.
The correct information is;
NOTE: Volvo does not
recommend the use of bottled
or canned additives as they
can adversely affect engine
performance.