( 
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