Audi 100

1982-1990 of release

Repair and car operation

2.7. The tarirovochnye data of carburettors

THE GENERAL DATA

Pierburg 1B3 (engine DR)

Diameter диффузора	24 mm
The main dosing out system:
– Marks of a fuel jet	Х112,5/110,5*
– Marks эмульсионной tubes	90
Idling system:
– Marks of a fuel jet	47,5
– Marks of an air jet	130
Эконостат:
– Marks of a fuel jet	37,5
– Marks of an air jet	130
Diameter of an aperture of the needle valve, mm	1,75
Diameter of a fuel jet экономайзера мощностных modes, mm	0,5
The accelerating pump:
– Diameter of a spray, mm	0,4/0,45*
– Fuel giving for one cycle, sm3	(0,9 ± 0,15)
Starting backlashes air заслонки, mm:
– The first step	2,3 ± 0,15/2,1 ± 0,15*
– The second step	3,0 ± 0,15
Frequency of idling, mines-1:
– The cold engine	3400 – 3800
– The heated-up engine	700 – 800
Marks of the automatic starting arrangement	251/250*
The maintenance oxide carbon (WITH) in the fulfilled gases, %	No more (1,0 ± 0,5)

* For cars with automatic transmission.

Pierburg 2E2 (engine DS)

	(The chamber 1/the chamber 2)
The main dosing out system:
– Marks of a fuel jet	Х105/Х120
– Marks of an air jet	100/100
Idling system:
– Marks of a fuel jet	40/–
Эконостат:
Diameter of a fuel jet, mm	– / 1,25
The accelerating pump:
– Diameter of an aperture of a spray, mm	0,35/–
– Fuel giving for one cycle, sm3	1,1 ± 0,15/–
Starting backlashes air заслонки, mm:
– The first step	2,3 ± 0,15/–
– The second step	4,7 ± 0,15/–
Frequency of rotation of idling, mines-1:
– The cold engine	2800 – 3200
– The heated-up engine	700 – 800
Marks of the automatic starting arrangement	258
The maintenance oxide carbon (WITH) in the fulfilled gases, %	No more (1,0 ± 0,5)

Keihin 26–30DC (engine NP)

	The chamber 1/the chamber 2
Diameter диффузора, mm	20/26
The main dosing out system:
Marks of a fuel jet	112/155
Marks of an air jet	95/120
Idling system:
– Marks of a fuel jet	48/–
– Marks of an air jet	125/–
Экономайзер:
– Marks of a fuel jet	40/–
The accelerating pump:
– Diameter of a spray, mm	0,45/–
– Fuel giving for one cycle, sm3	0,78 ± 0,12/–
Diameter of an aperture of the needle valve, mm	2,5
Fuel level in поплавковой to the chamber, mm	(9,0 ± 1,0)
Starting backlash air заслонки, mm	4,6 ± 0,15
Frequency of rotation of idling, mines-1:
– The cold engine	4000 – 4400
– The heated-up engine	700 – 800
The maintenance oxide carbon (WITH) in the fulfilled gases, %	No more (1,0 ± 0,5)

* For cars with automatic transmission.

Keihin (engine WH)

	The chamber 1/the chamber 2
Diameter диффузора, mm	22/28
The main dosing out system:
– Marks of a fuel jet	120/165 (150 *)
– Marks of an air jet	80/110
System of idling and transitive system of the first chamber:
– Marks of a fuel jet	50/–
– Marks of an air jet	120/–
Transitive system of the second chamber:
– Marks of a fuel jet	– / 90
– Marks of an air jet	– / 150
The accelerating pump:
– Diameter of an aperture of a spray, mm	0,35/–
– Fuel giving for one cycle, sm3	0,82 ± 0,12/–
Экономайзер:
– Marks of a fuel jet	50 (60 *)
Starting backlash air заслонки, mm	5,6 ± 0,15/–
Приоткрывание throttle заслонки at work of the cold engine idling, mm	1,3 ± 0,1 (1,5 ± 01 *) / –
Diameter of an aperture of the needle valve	2,8 mm
Starting backlash throttle заслонки, mm	0,6 ± 0,07 (0,7 ± 0,07 *) / –
Frequency of rotation of idling, mines-1:
– The cold engine	3500
– The heated-up engine	750 – 850
The maintenance oxide carbon (WITH) in the fulfilled gases, %	No more (1,0 ± 0,5)

* For cars with automatic transmission.