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| Run engine at idling speed for several minutes (do not press accelerator) and then switch off. Fuel system will bleed itself automatically. |
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| Check the entire fuel system for leaks. |
| Renew affected component if leakage still occurs after tightening to correct torque. |
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| After completing the repair, road-test the vehicle. Accelerate with full throttle at least once. Then check the high-pressure section of the fuel system again for leaks. |
Note | If there is any air left in the fuel system, the engine may switch to the backup mode ('emergency running' mode) during the road test. Switch off the engine and erase the fault memory. Then continue road test. |
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