Idle Speeds, CO Content, Ignition Timing
| Engine | C 20 SEL | ||||
|---|---|---|---|---|---|
| Idle speed | |||||
| Manual transmission | rpm | 670 to 1030 | |||
| Automatic transmission | rpm | 670 to 1030 | |||
| Ignition timing at idle speed | |||||
| CO content | vol.% |
When checking the idle speed and the CO content, ensure the following:
- electrical consumer switched off
- engine at operating temperature (oil temperature ≥ 80 �C/176 �F).
- selector lever in position "P" with automatic transmission
- CO test with 2800 to 3200 rpm without load