A3 Mk1
| Technical data |
| Engine code letters | ARX, AUM (1.8 l / 5V / 110 kW engine) ARY, AUQ (1.8 l / 5V / 132 kW engine) | ||
| Idling speed Speed cannot be adjusted, regulated by idling speed stabilisation | 700 ... 840 rpm (manual gearbox, front-wheel drive and four-wheel drive) 640 ... 760 rpm (automatic gearbox, front-wheel drive) | ||
| Engine speed limitation by way of injector deactivation | approx. 6800 rpm | ||
| Fuel pressure at idle | Vacuum hose connected | approx. 2.5 bar | |
| Vacuum hose disconnected | approx. 3.0 bar | ||
| Residual pressure after 10 min | min. 1.5 bar | ||
| Injectors | Spray pattern | Two-hole injector / same for all injectors | |
| Injection quantity (30 seconds) | 145 ± 12 ml | ||
| Resistance (ambient temperature) | 12 ... 13 Ω | ||
