Note. Separate characteristics are also given in the text of the Chapter and, if they are mandatory, are highlighted in bold.
Injection engines
SR20DE engine
pressure regulator | |
| |
| 2.5 bar |
| 3.0 bar |
| |
| 850±50 rpm |
| 850±50 rpm |
Air flow meter | |
| battery voltage, 11 to 14 V |
Coolant temperature sensor: | |
| resistance 2.1 - 2.9 kOhm |
| Resistance 0.68 - 1.00 kOhm |
| Resistance 0.30 - 0.33 kOhm |
Miscellaneous data | |
| about 0.7 ohm |
| about 10.0 ohm |
| 10-14 ohm |
| |
| about 2 kOhm |
| from 2 to 11 kOhm |
| about 11.0 kOhm |
Engine SR20Di
pressure regulator | |
Fuel pressure at idle: | |
vacuum hose connected | 2.5 bar |
vacuum hose disconnected | 2.5 bar |
Idling (not regulated) | |
without air conditioning | 850±50 rpm |
with air conditioning on | 850±50 rpm |
Air flow meter | |
Power supply | battery voltage, 11 to 14 V |
Output voltage | 1.4-1.9 V, engine warm, idling |
coolant temperature sensor | cm. SR20DE engine |
Miscellaneous data | |
Fuel pump resistance | about 0.7 ohm |
Additional air valve resistance | about 10.0 ohm |
injection valve resistance | 1-2 ohm |
Throttle position sensor resistance: | |
gas pedal released | about 1 kOhm |
pedal partially released | from 1 to 9 kOhm |
pedal depressed | about 9.0 kOhm |
Carburetor engines
Fuel pump: | |
| mechanical diaphragm pump |
Supply pressure | 0.21 - 0.35 bar |
The number and design of the carburetor | 1 double barrel carburetor |
Carburetor data | |
| |
| 21L 304-05 |
| 21L304-06 |
Jet diameter - without catalyst | 1st camera | 2nd camera |
carburetor hole | 30.0 mm | 34.0 mm |
air diffuser diameter | 22.0 mm | 30.0 mm |
main jet | № 100 | № 135 |
air adjustment jet | № 80 | № 60 |
idle jet | № 40 | № 80 |
idle air jet | 80 | 80 |
high power jet | № 55 |
float level | see illustration |
fast idle adjustment (starting damper gap) | 0.63±0.07mm |
fast idle | 2300±200 rpm |
idle speed | 750±200 rpm |
CO content | 1.5%±0.5% |
Carburetor Data - Engine with Catalyst | 1st camera | 2nd chamber |
carburetor hole | see above | see above |
air diffuser diameter | see above | see above |
main jet | № 92 | № 135 |
air adjustment jet | № 70 | № 60 |
idle jet | № 50 | № 80 |
idle air jet | № 80 | № 80 |
high power jet | — | |
float level | see illustration | |
fast idle adjustment | like no catalytic converter | |
fast idle | like no catalytic converter | |
idle speed | like no catalytic converter | |
CO content | 1.0%±0.5% |
Tightening torques for threaded connections
Fastener tightening torques are given in the text of the Chapter and in some illustrations*.
* The tightening torques shown in bold type must be strictly adhered to; Efforts not in bold type are indicative only.