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 TACHOMETER TEST table.
TACHOMETER TEST
| Vehicle RPM Reading | Allowable Range |
|---|---|
| 700 | 630-770 |
| 1000 | 900-1100 |
| 2000 | 1875-2125 |
| 3000 | 2850-3150 |
| 4000 | 3850-4150 |
| 5000 | 4850-5150 |