Inspecting Idle Speed
- Start the engine and let it warm up until the cooling fan comes on. Ensure all accessories are off.
- Connect a tachometer to the test tachometer connector. Connect power for tachometer to jump start terminal located in the engine compartment fuse/relay box. See Fig 1 .
- For engine idle speed, see ENGINE IDLE SPEED .
- For adjustment procedures, see ON-VEHICLE ADJUSTMENTS article.
ENGINE IDLE SPEED
| Application | RPM | |
|---|---|---|
| Manual Transmission | 800 +/- 50 | |
| Automatic Transmission | 780 +/- 50 | |
| Fast Idle | ||
| Manual Transmission | 1200-1600 | |
| Automatic Transmission | 1050-1450 | |