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| Check fuel temperature value in display zone 1. The temperature value must be approx. ambient temperature. |
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| If a fault is present, a constant fuel temperature of -5.4°C is displayed. |
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| Press keys 0 and 6 for function “End output” and confirm entry with Q key. |
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| If no realistic display appears in display zone 1 or a substitute temperature of -5.4 °C is displayed, check fuel temperature sender -G81- and wiring to sender as follows: |
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Read measured value block 7 -> | 15.4°C 15.9°C 16.7°C |
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