Check on upstream lambda sensor operation
- Make
- Alfa Romeo
- Model
- 147 Factory Service Manual
- Year
- 2000–2004
- Section
- Exhaust emission control system › Check on upstream lambda sensor operation
‹ Prev Introduction - EXHAUST EMISSION CONTROL SYSTEMNext › Check on downstream lambda sensor operation
EngineCheck on upstream lambda sensor operation
CHECK ON UPSTREAM LAMBDA SENSOR OPERATION
Disconnect the battery negative terminal
Disconnect the electrical connection for the upstream Lambda sensor
| Name | Connector | |
|---|---|---|
| Lambda sensor downstream of post-catalyzer | K17 |
Check that the heater's resistance corresponds to the specified value
| Measurement | Value | ||
|---|---|---|---|
| Heater resistor (ohm) | Pin 3 - 4 at 20˚C | 4.0 ± 0.5 |
‹ Prev Introduction - EXHAUST EMISSION CONTROL SYSTEMNext › Check on downstream lambda sensor operation
Parts & tools for this job For 2000 Alfa Romeo 147
- PARTOxygen sensorSearch: Alfa Romeo 147 2000 oxygen sensor
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