Volvo 1991 740 Model
Other factors which decrease gas mileage are:
●
Worn or dirty spark plugs
●
Incorrect spark plug gap
●
Dirty air filter
●
Incorrect valve clearance
●
Dirty engine oil and clogged oil filter
●
Dragging brakes
●
Incorrect front end alignment
●
Low tire pressure
Some of the above mentioned items and others are checked at the standard Maintenance Service
intervals.
Deposit control gasoline
Volvo recommends the use of gasoline containing deposit control additives. These additives have shown
to be efficient in keeping injectors and intake valves clean. Consistent use of deposit control gasolines
will help ensure good driveability and fuel economy. If you are not sure whether the gasoline contains
deposit control additives, check with the service station operator.
Note:
Do not add additives yourself to the gasoline, unless you are recommended to do so by an authorized
Volvo dealer.
pg. 4:4 Starting the engine, Turbo caution
To start the engine:
1 Fasten the seat belt.
WARNING! Before starting, check that the seat is adjusted properly. Make sure the brake pedal can be
depressed completely. Move the seat closer if necessary. Refer to section "Front seats".
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