Not in control of polo on corners!

pls. check the relay or fuse that controls the motor function of ur sliding roof and window/ if relay and fuse is ok? check the electrical supply if ok then the motor is fried....

It would help if you join a VW forum that has Polo group. You'll have a higher chance for info regarding the vehicle.
The control arm is pretty much straight forward, I'd advice you to mark the balljoint (bottom 3 bolts carrier) by using a center punch before you loosen this bolts. This will help you put it back the same exact position and lessen the probability of messing the alignment in a big way.

I'd also suggest to replace the control arm rubber bushings if the mileage is quite high.

Its ok i've decided to tackle this problem by myself as its not a priority @ this moment in time.

Remove the air filter caseing under there you will see the carb intake.Along side that is your throtle idle mechanism.Thats faulty.It works from the E.C.U.They are quite common to fail and are expensiveto by.But you can run the car by removing the electrical plug on the side of the mechanism.Try that and get back to me m8 good luck

There are many number of reasons for this problem...but a VERY common one is a faulty thermo sensor which controls air / fuel ratio.
John

Did you check the oil cooling filter...??? , that's the only thing I'd imagine , otherwise you may have a very small leak on the engine gaskets...

change tyres they are deformed,get it a lot here in spain with teh sun

could be wiring that shifts loose. is it only under hard cornering? i had a problem with a vw that made a buzzing sound everytime i cornered hard. it turned out that my oil pump wasnt picking up enough oil under cornering becuase a piece of plastic int he sump was missing.

the starting issue is probally down to the throttle housing being al carboned up.take it of and get it spotless,a toothbrush and some solvent is good.make sure you clean around where the butterly sits and the edges of the butterfly itself,dont just look from the top and think its looks ok take it off.

you should have your fuel pump checked out-i think its not supplying your engine with enough fuel to run it.