Exhaust emissions control
- Make
- Alfa Romeo
- Model
- 145/146 Factory Service Manual
- Year
- 1994–1999
- Section
- Engine supply - cooling › Exhaust emissions control
Technical data and maintenanceExhaust emissions control
EXHAUST EMISSIONS CONTROL
Specific for Boxer engines (1)
| CO while exhausting | % vol. | ≤ 0.2 |
|---|---|---|
| HC while exhausting | p.p.m. | ≤ 50 |
(1): Measured at the end of the exhaust pipe with nominal slow running, warmed up engine, neutral gear and accessories not operating.
Specific for T. Spark 16V engines
| CO while exhausting | ≤ 2.2 g x km |
|---|---|
| HC + NOx while exhausting | 0.5 g x km |
CALIBRATION CHECKING OF THE OVERPRESSURE VALVE "WASTE-GATE"
(Specific for Turbodiesel engines)
| Check pressure | Corresponding actuator's stroke |
|---|---|
| 1929 TD | |
| 0.96 ÷ 1.04 bar | 2 mm |
| 1.10 ÷ 1.19 bar | 4 mm |
| 1910 JTD | |
| 0.86 ÷ 0.91 bar | 1 mm |
SMOKE GRADE CHECKING DURING EXHAUSTION
(Specific for Turbodiesel engines)
| Limit value of smoke grade while exhausting | < 70% |
|---|
SENSORS
ENTREFER SENSOR OF REVOLUTIONS AND TDC (Specific for Boxer engines)
0.7 ± 0.1 mm
ENTREFER PHASE SENSOR (Specific for Boxer 1712 16V engines)
1.5 mm
ENTREFER SENSOR OF REVOLUTIONS (Specific for 1929 Turbodiesel engines)
0.25 ÷ 1.3 mm
ENTREFER SENSOR OF REVOLUTIONS AND PHASE (Specific for T. Spark 16V and 1910 JTD engines)
0.8 ÷ 1.5 mm
Parts & tools for this job For 1994 Alfa Romeo 145/146
- PARTExhaust gasketSearch: Alfa Romeo 145/146 1994 exhaust gasket
- TOOLPenetrating oilSearch: penetrating oil
- TOOLOBD2 scannerSearch: OBD2 scanner
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