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DTC P0128 S40-V40

posted by  someone claiming to be MKM661 on  Mon Nov 24 10:49 CST 2003 [RELATED]

I have a 2000 S40 with 72,000 miles on it. Recently, the last six months I have been pulling DTC 128 Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temp). I clear the fault and then it usually takes a couple of days, about a week, for it to return. I was assuming that the thermostat was faulty and that I needed to replace it but was told that it might also be the cooling temperature sending unit.

Any thoughts or ideas?






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New DTC P0128 [S40-V40]
posted by  someone claiming to be MKM661  on Mon Nov 24 10:49 CST 2003 >
  • New DTC P0128 [S40-V40]
    posted by  someone claiming to be captain hook  on Mon Nov 24 12:53 CST 2003 >


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