Herr Fiesta Posted August 14, 2015 Share Posted August 14, 2015 Hi folks. I have a 2010 Fiesta 1.6 Tdci and the engine cooling fan seems to come on randomly, it seems to have little to do with outside temperature or traffic conditions. It only stays on for 2-3 minutes then goes off. It can happen twice in one week or not at all. Just wondering if anyone else has had this problem and did you manage to get it fixed. Thanks. Quote Link to comment Share on other sites More sharing options...
DieselPig Posted August 14, 2015 Share Posted August 14, 2015 Could be the DPF trying to regenerate, if you spend a lot of time in slow moving traffic the DPF will clog with soot. Get on the motorway and take it for a good 50 mile+ blast. 1 Quote Link to comment Share on other sites More sharing options...
jbell Posted August 15, 2015 Share Posted August 15, 2015 I've got an 09 (no dpf I believe) and mine does this. Tends to happen mostly on really short drives. Quote Link to comment Share on other sites More sharing options...
DieselPig Posted August 15, 2015 Share Posted August 15, 2015 It may be thermal soak, as you slow down the water pump moves the water at a slower rate so the heat from the engine will rapidly heat the water and just flip the temperature sensor. I would be more worried if the engine overheated or the fan failed to come on. Quote Link to comment Share on other sites More sharing options...
Herr Fiesta Posted August 16, 2015 Author Share Posted August 16, 2015 Thanks folks. Doesn't sound like it's anything to be overly concerned about then. Quote Link to comment Share on other sites More sharing options...
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