| 1. Disconnect a vacuum hose from throttle knot. |
| 2. After vacuum creation, the vacuum pump, check, whether the vacuum keeps. |
| 3. If the vacuum decreases, replace a vacuum hose and / or the sensor of measurement of a consumption of air. |
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4. Check the vacuum sensor pressure between the sensor of a consumption of air and throttle knot. At ignition inclusion pressure of 1,013 Mbar.
After warming up on frequency of idling pressure of 400-450 Mbar.
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