Idle Speed & Ignition Timing
Ensure idle speed and ignition timing are set to specification. See IDLE SPEED SPECIFICATIONS TABLE. For adjustment procedures, see appropriate ADJUSTMENTS article in the ENGINE PERFORMANCE section.
IDLE SPEED SPECIFICATIONS
| Application | (1) Idle RPM | ||||
|---|---|---|---|---|---|
| 190E 2.3L | (2) | ||||
| 190E 2.6L & 300E 2.6L | 650-750 | ||||
| 300 Series 3.0L | 600-700 | ||||
| 420SEL & 560 Series | 650 | ||||
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