Tachometer Test
Connect a tune-up test tachometer and start engine. Compare vehicle tachometer RPM reading against test tachometer. If vehicle tachometer reading is outside allowable range, replace tachometer. See the TACHOMETER TEST SPECIFICATIONS table.
TACHOMETER TEST SPECIFICATIONS
| Vehicle RPM Reading | Allowable Range |
|---|---|
| 700 | 630-770 |
| 1000 | 900-1100 |
| 2000 | 1850-2150 |
| 3000 | 2800-3200 |
| 4000 | 3800-4200 |
| 5000 | 4800-5200 |
| 6000 | 5750-6250 |
| 7000 | 6700-7300 |