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[georgemart]

hi can any one help pls under my front wing i have a moter well looks like. with a exhaust on it that looks like it runs on diesel it comes on a lot and loads of smoke out of it can any one tell me whats this for and if i done the right thing and cut the wires to it so now my fuel has gone from 32 to 46 lot beter be nice to here from you ty martin

[TheBoy]

Not sure, sounds like a coolant heater, don't think they were ever standard though, but sometimes 3rd party units fitted to warm coolant (and hence cabin)...

[georgemart]

i dont no but it runs on diesel cost a lot to about 10 mills per g a lot but i have never seen one befor some one said to me its to burn away all the unuse fuel but i never herd of that but y my car tell me i doing a lot beter on fuel now i cut the wires to it

[georgemart]

hi so if it was a heater y dos it come on when the car get turn of for about a min ty

[TheBoy]

hi so if it was a heater y dos it come on when the car get turn of for about a min ty

Again, not sure, as not a Vauxhall item as far as I'm aware...

[The Barge Captain]

Is your car petrol or diesel? If petrol it sounds like the secondary air pump with the one way valve failed, but not sure why it's running so much.

[Taxi_Driver]

I think TB is correct......its a cabin heater.....my merc diesel has one.
It really hammers fuel consumption.....knocks it from about 40mpg to about 20mpg when its running.

On my merc theres two conditions when its running.......if the outside temp is below 6/7C and the coolant temp is less than 70C. (So would explain why it comes on when you stop for a bit in this weather)

I once had a prob with it staying on all the time and hence drinking diesel.....the thermostat had got stuck open and coolant temp never reached 70C

Maybe part of a winter pack option for diesels......my merc was factory fitted tho when i took it to an independant merc garage, they had never seen one fitted before  :-/

As to cutting the wires to it......depends if you dont mind being cold until the engine has warmed up....iirc on my merc there is a switch inside the cabin to turn it off......is there a switch inside your omega that you dont know what its for??

[georgemart]

hi yes i dont drive it that much i just asked the miss and she said sice i cut the wires it take a lot longer to get hot and not as hot it was v good heater in it i have to c what its like now or i may put it back untill it gets nice agen no i dont no of any button inside to turn it of at all i dont no if this is the same thing but ib the back blowers they never get hot at all alway come out cold the kids go mad about it i dont no y that is thank you for your help martin

[Marks DTM Calib]

I assume you have a post 2000 2.2Dti then, these were fitted for cabin heatup but, it should go off once the engine coolant is up to temperature and or the outside temp is above a certain temp.

Is the outside temp reading working on the dash and what does the engine temp get to?

[georgemart]

hi yes i have a 2001 dti cdx 2.2dt yes the tep out side  works ok and my and the heater gos up to just under 80 if thats ok and the heater in the car is sill v good its just the back ones sill come out cold how do i make them come out hot ty martin