Page 23 of 168

(
70019401960 Specifications
Section 2 B 19, B 23 Engines
Group 23 Fuel system
CO-content , idle speed
• Selector lever must be in position P (and handbrake applied) when checking/adjusting CO or
idle speed
• CO should be checked/adjusted when engine is warm and idling
• CO
content outside check values shown below = adjust to specified setting value
• CO
content within check values need not be adjusted provided engine is operating satisfactorily
Engine Rem ar ks CO co ntent Id le spee d
type r/s (r/m in)
CO m ete r % Volv o
Adjusting Mono tes te r
(checking)
8 19E 1.0 (0.5-2.0) -15 .0 (900)
819ET 2.0 (1.0--3.0) -15.0 (900)
823E 1.0 (0.5-2.0) 1 -15 .0 (900)
823ET 1.5 (1.0--2 .5) -14.2 (850)
823FT USA + Canada 0.6 (0.4-0
.8f 20--70°3 12.5 (75W
Japan 0.6
(0.4-0.8)2 20--70°3 15.0 (900)
I) Pulsai r system disconnected and plugged. 2) Lambda-sond disconnected. 3) Lambda -sond connected . 4) AC switched off. Engine speed increases to 15.0 rls (900 r/min) when AC is reconnected.
Page CI system (819 ElE T, 823 E ). . . . . . . . . . . . . . . . . .. 22
Motronic
(823 ET) ... ......................... 25
LH -Jetronic
(823 FT) . . . . . . . . . . . . . . . . . . . . . . . . .. 28
. ~
135528
21
III IN III
III III
III III
III
J
Page 45 of 168

(
70019401960 SpecHications
Section
2 B 200, B 230 Engines
Group 23 Fuel system
Petrol/gasoline engines . CO content, idle speed
• Selector lever must be in position P (and handbrake applied) when checking/adjusting CO or id-
le.speed
•
CO should be checked/adjusted when engine is warm and idling
•
CO content outside check values shown below = adjust to specified setting value
• CO content within check values need not be adjusted provided engine is operating satisfactorily
Engine Remarks
type Co-meter % Setting
B200K 1
.5
B200E 1.0
B200F not adjustable -
B200ET 1.5
B204E 0 .8
B204FT not adjustable -
B204GT not adjustable (1990) -
B230A 2.0
B230K Switzerland -1986 1 .5 Other markets -1986 1.0 1987-1.0
B230 E 1
.0
B230ET Scandinavia , Switzerland, I Australia 1.54
)
Other markets 1.0
B230F Japan -1988 0.6
Other markets -1988 0 .6 1989-not adjustable -
B230FB not adjustable -
B230FT Japan -1988 0.6
Other markets -1989 0 .6 1990-not adjustable -
B230GT (1990 not
adjustable) 1.0
B234F not adjustable -
B234G 0.8
I) Pulsair system disconnected and plugged, as applicable 2) Connected Lambdasond . Measured in front of catalytic converter . 3) Disconnected Lambdasond . Measured in front of catalytic con-
verter 4) 1988-only for 760 with manual gearbox . 5) 1990, connected Lambdasond. 6) AC switched off. Idle speed should rise to 15.0 r ls (900 rpm) when AC is switched on again
CO leveP
Idle speed
Volvo rls (r/min)
Checking Mono Tester
Manual Automatic
1.0-2
.5 15.0 (900)
0 .5-2.0
15.0 (900)
0.4-0.8
2 ) 12.9 (775)
1.0-2.5 15.0 (900)
0.6-1.0 15.0 (900)
0.4-0 .8
2
) 13.3 (800)
0.4-0.8
5 ) 13.3 (800)
1.5-3 .0 15.0 (900)
1 .
0-2.5 13.3 (800) 15. 0 (900)
0 .5-2.0 13.3 (800) 15. 0 (900)
0.5-1 .5 13.3 (800) 15. 0 (900)
0.5-2.0 15.0
(900)
1.0-2.54
) 15.0 (900)
0 .5-2.0 15.0 (900)
0 .4-0.8
3
) 20-7004
) 15.0 (900)
0 .4-0.83
) 20-7004 ) 12.5 (750)6) 0.4-0 .82
) 12.9 (775)
0.4-0 .82
) 12.9 (775)
0.4-0.83
) 20-7004 ) 15.0 (900)
0 .4-0.83
) 20-7004 ) 12.5 (750)6) 0.4-0.82
) 12.5 (750)
0 .
5-2.05
) 12.5 (750)
0
.4-0.82 ) 14.2 (850)
0 .5-1.1
14.2 (850)
Page
Carburetted engines
(8200 K, 8230 NK) .. ....... 44
CI-system (8200/230 E) ........................ 48
Motronic (8200/2 30 ET) ...... ... .. .. .......... . 51
Constant idle speed system (8200/230 ET) ....... 54
LH-Jetronic (8200/230 F/FT/GT) ................. 55
Regina (8230 F USA) .......................... 58
LH-Jetronic 2.4
(8204 E, 8204 GT, 8204 FT, B 234 F/G) .. ........ 61
43
I
I
III 'III III III III ,III III ,III III
Page 77 of 168
(
70019401960 Specifications
Group 23 Fuel system
CO content , idle speed
• Selector lever must be in position P (and handbrake applied) when checking/adjusting CO or
idle speed
• CO should be checked/adjusted when engine is warm and idling
•
CO content outside check values shown below = adjust to specified setting value
• CO
content within check values need not be adjusted provided engine is operating satisfactorily
Eng
ine Market CO%
type
Adjusting Volvo
(checking) Mono-Tester
B28A 2.5 (2.0-3.5) -
B28E 2.0 (1. 0-3.0)1 -
B28F USA, Canada, Australia 1.0 (0.7-1.3)2 42
° (39-45°)3
Japan 1.0 (0.7-1.3) 2 42° (39-45°)3
1) Pulsair system disconnected and plugged. 2) Lambda-sand disconnected . 3) Lambda-sand connected. 4) AC switched off. Idle speed increases to 15.0 rls (900 r/min) when AC is switched on again .
Section 2 B 28 Engine
\\\\Iffll
rpm
1 35 528
Idling speed
r/s (r/min)
15.0 (900)
15.0 (900)
12.5 (750)4
15.0 (900)
75
II' .. III .. II' ... II' ... II'
Page 95 of 168

(
70019401960 Specifications
Section
2 8280 E ngine
Group 23 Fuel system
CO content , id le speed
• Selector lever must be in position P (and handbrake applied) when checking/adjusting CO or
idle speed
• CO should be checked/adjusted when engines is warm and idling
• CO content outside check values shown below = adjust to specified setting value
• CO content within check values need not be adjusted provided engine is operating satisfactorily
E ng
ine ty pe CO %1 Id lin g speed
r/s (r/min)
Adjustin g V
o lv o
( c h ec kin g) Mo
no-Teste r
B280E 1.0 (0.5-2 .0) -12.5 (750)
B280F 0.6 (0.2 - 1.0j2 20°_70°3 12.5 (750)
\\\\1""
rpm
1) Pulsair system disconnected and plugged. 135 528 2 ) Lambda -sond disconnected . Measured in front of converter . 3) Lambda-sand connected.
LH JETRONIC 2.2
Air mass meter
Line pressure , pressure
regu lator
Manufacturer's No type I . . . . . . . . . . . . . . . . . . . .. 00 6
II ................. . . . 615
Volvo
PIN ... ............................ 1 336 354-4
Resistance:
• between terminals 2 and 3. . . . . . . . . . . . . .. 2 .5-4.0 0
•
between terminals 2 and 6 . . . . . . . . . . . . . .. 0-1000 0
Bosch No . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 215
Volvo
PIN . ......................... ..... 1 271 135 -4
Line pressure ................. kPa (psi)
Rest pressure
................ kPa (psi) 250 (36)
150-250
(28-43)
93
'" III ill III ,II
,'N III 'II