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| Battery voltage at least 11.5 V |
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| All electric consumers, e.g.: lights and rear window heater must be switched off. |
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| If the vehicle is equipped with air conditioning, this must be switched off. |
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| Exhaust system between catalytic converter and cylinder head must be free of leaks |
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| The engine control unit must be matched to the throttle valve control part → Chapter |
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| Coolant temperature must be at least 80 °C ⇒ display group 1, display zone 2. |
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