Mass Air Flow (MAF) Sensor Inspection: Notes
NOTE:
- Perform the following test only when directed.
- Visually check for the following on the MAF sensor.
- Damage
- Cracks
- Terminal bends
- Terminal rust
- If any of the above are found, replace the MAF sensor.
- If the above are found okay, but PID value is out of specification, perform the CIRCUIT OPEN/SHORT INSPECTION .
- Reconnect the MAF sensor connector.
NOTE:
- The scan tool shows the MAF rate and load value.
Specification
| Intake MAF (g/s) |
Engine load calculated value (%) |
| MT |
AT |
MT |
AT |
| Idle |
2.6-3.3 |
2.4-3.4 |
16.0-23.0 |
15.0-23.0 |
| Engine speed 2,500 rpm |
7.1-9.3 |
8.3-9.6 |
16.0-21.0 |
16.0-21.0 |