C4 "Water detected in diesel tank" warning - car w

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Philjw
Posts: 115
Joined: 01 Mar 2003, 17:54
Location: United Kingdom
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C4 "Water detected in diesel tank" warning - car w

Post by Philjw »

Her indoors just phoned to tell me the C4 has thrown up this warning and won't turn over. I don't think that car has been used for a couple of weeks so it could be true or a false warning.
Does anyone have suggestions on how to investigate? Would disconnecting & re-connecting the battery help with clearing a false warning? How about a diesel treatment that absorbs water like one used in boats - would that fool the sensor?

This turned out to be due to a flat battery
Phil

05 C5 Estate 2.0 16v + 05 C4 Hatchback 2.0 16V
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