GeorgeFocusmk3 Posted January 2, 2016 Share Posted January 2, 2016 I wish to all members have to happy new year. I own a Ford focus mk3 1.0 ecoboost 125hp and recently i have notice something strange about it. Yesterday i started the car and wait it to reach the normal temperature so i can turn the heater on.The outside temp was -2c .\When i started the heater on full the temp gauge went down and then after about 10 minutes the temp went back to normal....Is that normal? i have never driven the car in such conditions -2c. Quote Link to comment Share on other sites More sharing options...
WES180 Posted January 2, 2016 Share Posted January 2, 2016 Welcome to the site George! Maybe it was because the heat was dissipated through the heater system registering a cooling effect on the engine temperature gauge? Why wait for it to warm up before putting the heaters on lol? I whack mine straight on full otherwise i would be sat there for ages! 2 Quote Link to comment Share on other sites More sharing options...
dezwez Posted January 2, 2016 Share Posted January 2, 2016 Hi welcome :) Quote Link to comment Share on other sites More sharing options...
GeorgeFocusmk3 Posted January 2, 2016 Author Share Posted January 2, 2016 Lol WES180 you have right but i wanted it to warm it for the kid...lol.Thanks for the reply!!! I love my Focus and i want it to be ok.....lol.Anyway does anyone have notice something like this? Quote Link to comment Share on other sites More sharing options...
WES180 Posted January 2, 2016 Share Posted January 2, 2016 I dont think anyone else will have noticed, youre probably the only person in the world that waits for the engine to heat up before putting the heaters on! Iantt gave my post the thumbs up and he is a mechanic so i guess my thoughts about heat dissipation was correct. It does make sense and then once the heater matrix had warmed up too then the whole system temperature would rise again as you said on your gauge. Dont forget that during that time your engine would have been getting hotter anyway causing a further increase. As long as its in the normal range then dont worry about it! Quote Link to comment Share on other sites More sharing options...
iantt Posted January 2, 2016 Share Posted January 2, 2016 buy the kid a coat. lol 3 Quote Link to comment Share on other sites More sharing options...
WES180 Posted January 2, 2016 Share Posted January 2, 2016 buy the kid a coat. lol Just put the heaters on straight away! Quote Link to comment Share on other sites More sharing options...
GeorgeFocusmk3 Posted January 2, 2016 Author Share Posted January 2, 2016 Lol thanks for the replies......Yes i am very strange whatever concern my focus LOL Quote Link to comment Share on other sites More sharing options...
TomsFocus Posted January 2, 2016 Share Posted January 2, 2016 There should be a supplemental heater on a mk3, even being petrol I would think? Just put the heaters on full and you should feel heat within seconds. If not, it'll warm up much quicker by driving it than idling anyway, put the air recirculation on as well. Quote Link to comment Share on other sites More sharing options...
iantt Posted January 2, 2016 Share Posted January 2, 2016 There should be a supplemental heater on a mk3, even being petrol I would think? Just put the heaters on full and you should feel heat within seconds. If not, it'll warm up much quicker by driving it than idling anyway, put the air recirculation on as well. supplemental heater on mk3 vehicles is market dependant ie colder climates. not on my mk3 petrol ecoboost Quote Link to comment Share on other sites More sharing options...
TomsFocus Posted January 2, 2016 Share Posted January 2, 2016 Ah I see, so it's cold enough here for heated windscreen, mirrors and seats...but not a supplemental heater... Ford being stingy with spec again! 2 Quote Link to comment Share on other sites More sharing options...
iantt Posted January 2, 2016 Share Posted January 2, 2016 its on the later fiesta and bmax that i know of. might be on higher spec mk3 focus, but definatly not mine, ive looked, Quote Link to comment Share on other sites More sharing options...
james1089 Posted January 5, 2016 Share Posted January 5, 2016 Yeah not good for an engine to left idling while cold, drive pretty much soon after oil is circulated, then drive without over revving till close to normal temp. 1 Quote Link to comment Share on other sites More sharing options...
Ryan_Tango Posted January 5, 2016 Share Posted January 5, 2016 Mine does this the heat from the engine comes through the vents thus taking heat away from the engine causing the temp to go down, nothing to worry about mate, but don't leave it idling in the cold set off and take it easy, it will soon heat up :) Welcome to the site. Quote Link to comment Share on other sites More sharing options...
HugaKuga Posted January 5, 2016 Share Posted January 5, 2016 Welcome George :) Quote Link to comment Share on other sites More sharing options...
GeorgeFocusmk3 Posted January 7, 2016 Author Share Posted January 7, 2016 Nice to meet you all.Thanks for the advices.......I will buy my kid a coat after all..!!! :D 1 Quote Link to comment Share on other sites More sharing options...
artscot79 Posted January 7, 2016 Share Posted January 7, 2016 Since its a ti vct the revs and engine power are limited till the engines up to temp it is on the mk2 so I doubt its changed much Quote Link to comment Share on other sites More sharing options...
Incontro Posted January 7, 2016 Share Posted January 7, 2016 Since its a ti vct the revs and engine power are limited till the engines up to temp it is on the mk2 so I doubt its changed much Could you elaborate a bit more on this? Not at all disputing what you're saying, just genuinely curious... Quote Link to comment Share on other sites More sharing options...
artscot79 Posted January 7, 2016 Share Posted January 7, 2016 well the ecu takes info such as engine temp fuel flow and other info and determines when the engine is up to temp in the mk2 you cant boot it from cold as the power is retarded via the timing when warmed up you get full power The system utilizes a computer controlled oil control valve on eachcamshaft. Via a plunger, this valve directs pressurized oil flow intospecific passages for advance or !Removed! of the timing on each camshaft.oil flows into a rotor vane assembly that is attached to the camshaft.Chambers are manufactured into the camshaft gear housing for the oil toflow into, and this causes the camshaft to either advance, !Removed!, orint the presence of no pressurized oil in the chambers to remain lockedin neutral. When the camshaft timing is changed, it can rotate between45 and 50 degrees of crankshaft angle.The powertrain control module monitors and controls the entire process.Camshaft and crankshaft sensors provide data to the PCM and changes canbe made from full advance to full !Removed! on a camshaft in just 0.2seconds. Quote Link to comment Share on other sites More sharing options...
salsheikh Posted January 8, 2016 Share Posted January 8, 2016 Welcome to the site George! Maybe it was because the heat was dissipated through the heater system registering a cooling effect on the engine temperature gauge? Why wait for it to warm up before putting the heaters on lol? I whack mine straight on full otherwise i would be sat there for ages! what WES said was correct - if your car starts to get very hot/overheat then whack the heaters on full blast (yes, even in the summer when its most likely to happen) and this will aid in coolling. strange but true! 1 Quote Link to comment Share on other sites More sharing options...
dhr90 Posted January 8, 2016 Share Posted January 8, 2016 Wish I had this issue! Mine struggles to warm up, usually halfway to work before I get hot air out of the vents. IT can be really annoying if the screen has fogged up, no choice but to sit there at idle waiting for the car to warm up and clear it (wiping the screen with a cloth doesn't clear the moisture). Quote Link to comment Share on other sites More sharing options...
dezwez Posted January 8, 2016 Share Posted January 8, 2016 mine heats up fast then it gets to warm i have to turn the heater down mines a mk 2.5 :) Quote Link to comment Share on other sites More sharing options...
salsheikh Posted January 9, 2016 Share Posted January 9, 2016 Wish I had this issue! Mine struggles to warm up, usually halfway to work before I get hot air out of the vents. IT can be really annoying if the screen has fogged up, no choice but to sit there at idle waiting for the car to warm up and clear it (wiping the screen with a cloth doesn't clear the moisture). Before you get to your destination lower the windows down the last couple of minutes of your journey so that any moisture in the car escapes. This will dramatically reduce the misting. Even after getting to your destination keep the windows open very slightly. 1 Quote Link to comment Share on other sites More sharing options...
dhr90 Posted January 9, 2016 Share Posted January 9, 2016 Before you get to your destination lower the windows down the last couple of minutes of your journey so that any moisture in the car escapes. This will dramatically reduce the misting. Even after getting to your destination keep the windows open very slightly. Thanks, will give that a try! Although the last couple of minutes is usually at 70mph so likely to be chilly...can you drive while in a sleeping bag? :P Quote Link to comment Share on other sites More sharing options...
MONDEO TXS 2.2 Posted January 9, 2016 Share Posted January 9, 2016 Sounds like your car isn't '' breathing '' properly if it suffers from excessive interior moisture - when was the pollenfilter last changed ? The use of aircon / climate control reduces condensation / moisture quicker than the normal airflow Quote Link to comment Share on other sites More sharing options...
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