Calibration Test
Connect a calibrated, reliable tach-dwell meter to vehicle ignition system. Operate engine at various speeds (RPM). See TACHOMETER ALLOWABLE VARIATION . If comparison between tach-dwell meter and vehicle tachometer readings are not within permissible variation, replace vehicle tachometer.
TACHOMETER ALLOWABLE VARIATION
| Engine Speed (RPM) | Allowable Variation (RPM) | |
|---|---|---|
| Colt, Colt 200 & Summit | ||
| 1000 | 900-1100 | |
| 3000 | 2800-3100 | |
| 5000 | 4625-5100 | |
| Colt Vista, Diamante, Expo/Expo LRV, Montero, Stealth, Summit Wagon & 3000GT | ||
| 1000 | 900-1100 | |
| 3000 | 2850-3150 | |
| 5000 | 4750-5250 | |
| 6000 | 5700-6300 | |
| Eclipse - 8000-RPM Tachometer | ||
| 700 | 600-800 | |
| 3000 | 2850-3150 | |
| 5000 | 4750-5250 | |
| Eclipse - 9000-RPM Tachometer | ||
| 700 | 600-800 | |
| 3000 | 2900-3225 | |
| 5000 | 4900-5325 | |
| Galant - 8000-RPM Tachometer | ||
| 700 | 600-800 | |
| 3000 | 2850-3150 | |
| 6000 | 5700-6300 | |
| Galant - 9000-RPM Tachometer | ||
| 700 | 600-800 | |
| 3000 | 2900-3225 | |
| 7000 | 6900-7400 | |
| Mirage - 8000-RPM Tachometer | ||
| 1000 | 900-1100 | |
| 3000 | 2800-3100 | |
| 5000 | 4625-5100 | |
| Mirage - 9000-RPM Tachometer | ||
| 1000 | 900-1100 | |
| 3000 | 2900-3225 | |
| 5000 | 4875-5325 | |
| Pickup & Ram-50 | ||
| 1000 | 900-1100 | |
| 3000 | 2850-3150 | |
| 6000 | 5700-6300 | |