Crankshaft sensor is located on the right side of the cylinder block behind or under the starter. It is fitted into the rear crankshaft oil seal hausing.
crankshaft position sensor
On the 12 valve engine it is positioned underneath the inlet manifold at the gearbox end to replace I found it easier to remove the inlet manifold after wasting time trying to do it with the manifold in place.
on most cars the sensor is located behind the front bumper
It is in the engine cover, which also contains the air filter.
less than £10.00
The oil filter on a 2002 VW Polo is located on the bottom, right side of the engine. It is designed to be readily removed with a filter wrench from under the vehicle.
When it starts to get noisey or car dificult to start. You need to remove the o/s engine mounting, remove timing chain cover, remove sump, you need to remove crankshaft sensor, fit crankshaft locking pin in its place. remove rear camshaft cover plates, insert locking plates. You need to change chain/ tensioner and guides. not a job for in experienced person as engine support brace and special tools needed
yes
If the EPC light came on in a Polo and there is smoke coming out of the engine, there is a problem with an electrical circuit somewhere. EPC stands for Electronic Power Control. Perhaps an electronic sensor on the motor shorted out. It is also possible that the entire fuse panel inside the engine compartment has shorted out.
intake manifold
The engine light can be diagnosed with a special machine that will check to see if anything is malfunctioning. If there is a problem an engine code will be displayed.
The idle speed on a VW Polo is regulated by a Idle air control valve. The valve is located in the engine bay and can be adjusted through to either increase and lower the idle speed.