Idle Speed, Co Level & Ignition Timing
Ensure idle speed, CO level and base ignition timing are set to specification. If necessary, see the ADJUSTMENTS article.
IDLE SPEED & CO LEVEL
| Application | Idle RPM | CO Level % |
|---|---|---|
| Cabriolet | 850-1000 | N/A |
| Fox | 800-1000 | 0.5-1.5 |
| Golf | 800-1000 | 0.3-1.2 |
| Golf GT | 800-900 | 0.3-1.2 |
| Jetta | 800-1000 | 0.3-1.2 |
| Vanagon | 830-930 | 0.3-1.2 |
IGNITION TIMING (Degrees BTDC @ RPM)
| Application | Checking | Adjusting | ||
|---|---|---|---|---|
| 1.8L | 4-8 @ 2250-2350 | 5-7 @ 2250-2350 | ||
| 2.1L (1) | 4-8 @ 2250-2350 | 5-7 @ 2250-2350 | ||
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