| General notes on injection |
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| Fuel hoses in engine compartment must be secured only with spring-type clips which conform to production standard. The use of clamp or screw-type clips is not permissible. |
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| The battery must be disconnected only with ignition switched off. If a coded radio is installed, ascertain code before disconnecting battery. |
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| For trouble-free operation of electrical components, a voltage of at least 11.5 V is necessary. |
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| Do not use sealants containing silicone. Particles of silicone drawn into the engine will not be burnt in the engine and damage the Lambda probe. |
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| If, after fault finding, repairs or component tests, the engine starts, runs for a short period and then stops, then the fault may be that the immobilizer is blocking the engine control unit. In this case, the control unit must be adapted. |
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| After completing work, read fault memory of engine control unit, clear all fault entries which may have been created during checks and repairs. If the fault memory was cleared, the readiness code must be generated → Vehicle diagnostic tester„Guided functions“. |
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| Vehicles with an airbag are fitted with a crash fuel shut-off. It reduces the danger of a fire in a crash as the fuel pump is switched off via the fuel pump relay. |
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| When driver door is opened, the fuel pump is activated for 2 seconds to develop pressure in the fuel system. This improves the quality of the start behaviour. |
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