Air Flow Meter & Potentiometer: Fiat
Turn ignition switch off and disconnect electrical connector at ECU. Connect ohmmeter between terminals as shown in table and note readings. If readings are not to specifications, replace air flow meter. If readings are correct, check fuel injection system.
Air Flow Meter Resistance (Fiat)
| Terminal No. | Resistance (Ohms) |
|---|---|
| 6 & 8 | 260-520 |
| 7 & 8 | 200-1000 |
| 8 & 9 | 140-280 |