Table of contents: Pierburg 1B3 (dR engine) ↓ Pierburg 2E2 (dS engine) ↓ Keihin 26–30DC (nP engine) ↓ Keihin (wH engine) ↓
Pierburg 1B3 (dR engine)
| Diffuser diameter |
24 mm
|
| Main dosing system: | |
| - fuel jet marking |
X112.5/ 110.5*
|
| - marking of the emulsion tube |
90
|
| Idle system: | |
| - fuel jet marking |
47,5
|
| - air jet marking |
130
|
| Econostat: | |
| - fuel jet marking |
37,5
|
| - air jet marking |
130
|
| Needle valve hole diameter, mm |
1,75
|
| Diameter of fuel jet of economizer of power modes,
mm |
0,5
|
| Accelerator pump: | |
| – spray diameter, mm |
0,4/ 0,45*
|
| – fuel supply per cycle, cm³
|
(0,9±0,15)
|
| Starting clearances of the air damper, mm: | |
| - first step |
2,3±0,15/ 2,1±0,15*
|
| - second stage |
3,0±0,15
|
| Idle speed, min⁻¹: | |
| - cold engine |
3400 – 3800
|
| - warmed up engine |
700 – 800
|
| Automatic starting device marking |
251/ 250*
|
| Carbon monoxide (CO) content in exhaust gases, % |
no more than (1.0±0.5)
|
* For vehicles with automatic transmission.
Pierburg 2E2 (dS engine)
|
(camera 1/camera 2)
| |
| Main dosing system: | |
| - fuel jet marking |
X105/ X120
|
| - air jet marking |
100/ 100
|
| Idle system: | |
| - fuel jet marking |
40/ –
|
| Econostat: | |
| Fuel jet diameter, mm |
– / 1,25
|
| Accelerator pump: | |
| – diameter of the nozzle hole, mm |
0,35/ –
|
| – fuel supply per cycle, cm³
|
1,1±0,15/ –
|
| Starting clearances of the air damper, mm: | |
| - first step |
2,3±0,15/ –
|
| - second stage |
4,7±0,15/ –
|
| Idle speed, min⁻¹: | |
| - cold engine |
2800 – 3200
|
| - warmed up engine |
700 – 800
|
| Automatic starting device marking |
258
|
| Carbon monoxide (CO) content in exhaust gases, % |
no more than (1.0±0.5)
|
Keihin 26–30DC (nP engine)
|
camera 1/camera 2
| |
| Diffuser diameter, mm |
20/ 26
|
| Main dosing system: | |
| fuel jet marking |
112/ 155
|
| air jet marking |
95/ 120
|
| Idle system: | |
| - fuel jet marking |
48/ –
|
| - air jet marking |
125/ –
|
| Economizer: | |
| - fuel jet marking |
40/ –
|
| Accelerator pump: | |
| – spray diameter, mm |
0,45/ –
|
| – fuel supply per cycle, cm³
|
0,78±0,12/ –
|
| Needle valve hole diameter, mm |
2,5
|
| Fuel level in the float chamber, mm |
(9,0±1,0)
|
| Starting clearance of the air damper, mm |
4,6±0,15
|
| Idle speed, min⁻¹: | |
| - cold engine |
4000 – 4400
|
| - warmed up engine |
700 – 800
|
| Carbon monoxide (CO) content in exhaust gases, % |
no more than (1.0±0.5)
|
* For vehicles with automatic transmission.
Keihin (wH engine)
|
camera 1/camera 2
| |
| Diffuser diameter, mm |
22/ 28
|
| Main dosing system: | |
| - fuel jet marking |
120/ 165 (150*)
|
| - air jet marking |
80/ 110
|
| Idle system and first chamber transition system: | |
| - fuel jet marking |
50/ –
|
| - air jet marking |
120/ –
|
| Second chamber transition system: | |
| - fuel jet marking |
– / 90
|
| - air jet marking |
– / 150
|
| Accelerator pump: | |
| – diameter of the nozzle hole, mm |
0,35/ –
|
| – fuel supply per cycle, cm³ |
0,82±0,12/ –
|
| Economizer: | |
| - fuel jet marking |
50 (60*)
|
| Starting clearance of the air damper, mm |
5,6±0,15/ –
|
| Opening the throttle valve slightly when the engine is cold at idle, mm |
1,3±0,1 (1,5±01*)/ –
|
| Needle valve orifice diameter |
2.8 mm
|
| Throttle valve starting clearance, mm |
0,6±0,07 (0,7±0,07*)/ –
|
| Idle speed, min⁻¹: | |
| - cold engine |
3500
|
| - warmed up engine |
750 – 850
|
| Carbon monoxide (CO) content in exhaust gases, % |
no more than (1.0±0.5)
|
* For vehicles with automatic transmission.