Mass Air Flow (MAF) Sensor
Backprobing MAF sensor, start engine. See COMPONENT LOCATIONS . Measure frequency at MAF sensor terminal No. 1. See Figure . Replace sensor if frequency is not as specified.
MASS AIR FLOW FREQUENCY
| Air Flow (Grams/Second) | Frequency (Hertz) |
|---|---|
| 0 | 100-300 |
| 1 | 1045 |
| 1.5 | 1312 |
| 2 | 1527 |
| 3.5 | 2012 |
| 5 | 2355 |
| 7.5 | 2788 |
| 10 | 3134 |
| 15 | 3678 |
| 20 | 4095 |
| 30 | 4764 |
| 40 | 5289 |
| 50 | 5730 |
| 60 | 6114 |
| 80 | 6753 |
| 100 | 7286 |
| 120 | 7743 |
| 140 | 8158 |