1990 VOLVO 240 check engine

Volvo 1990 240 Model
Spark plugs, high tension leads or distributor
cap worn (defective) Clean distributor cap and leads, check the cap for
cracks. Replace defective or worn parts.
Worn spark plugs. Remove. Clean or replace spark plugs.
Condition: Engine stalls at irregular intervals
Possible cause Correction
Defective wires. Check wire terminals at: fuel pump, fuse No. 5 and 7, coil, distributor,\
ignition
switch and relays.
Intake system
leaking. Check vacuum hose connections at manifold and auxiliary air valve.
Fuel filter clogged. Clean fuel tank filter and replace line fuel filter.
pg. 95 Service diagnosis
Condition: Excessive fuel consumption
Possible cause Correction
Fuel lines
leaking. Check
tightness.
Spark plugs
worn. Replace plugs.
Condition: Misfiring at highway driving speed

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Volvo 1990 240 Model
filter. Exhaust-emission control accomplished by fuel injection, Lambda-\
sond system and catalytic
converter.
Output (SAE J1349) 114 hp at 5400 rpm (85 kW at 90 rps)
Max. torque (SAE J1349) 136 ft. lbs. (185 Nm) at 2700 rpm
Number of cylinders 4
Bore 3.78" (96 mm)
Stroke 3.15" (80 mm)
Displacement 2.32 liters (141 cu. in.)
Compression ratio 9.8:1
Valve clearance, cold engine
inlet and exhaust Checking:
0.012-0.016"
(0.30-0.40 mm) Adjusting:
0.014-0.016"
(0.35-0.40 mm)
Valve clearance, warm
engine
inlet and exhaust 0.014-0.018"
(0.35-0.45 mm)
0.016-0.018"
(0.40-0.45 mm)

All specifications are subject to change without notice. pg. 100 Specifications
Engine B230F

Cooling System
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Volvo 1990 240 Model

Oil level between dipstick marks. The distance between the marks represe\
nts approx. 1 US qt. = 1 liter.
Fill with multigrade oil

Check without removing the cap that the brake fluid level is above the M\
in-mark. Brake and clutch fluid
DOT 4.

Coolant level between the expansion tank marks. Mixture: 50 percent anti\
-freeze and 50 percent water.

Washer fluid reservoir should be filled with water and solvent (wintert\
ime: windshield washer anti-
freeze).

Electrolyte level 1/4" - 3/8" (5 - 10 mm) above plates. Fill distilled\
water only, never acid. Check level
in conjunction with normal service or once a year.
Never operate engine in closed unventilated areas.

Changing a wheel, see pages 84, 85
a bulb, see pages 76-80
a fuse, see page 81

Fuel: Octane rating 95 RON Unleaded, 91 (R+M)/2
Min. 91 RON Unleaded, 87 (R+M)/2 Inside back cover
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