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Re: VW Polo auto 1.4 2000 Engine management light will...
Try starting the car and while the car is running disconnect the posative ( red ) cable. If the car stops then you need to replace the alternator. This will cause the battery light to come on. If the car still runs then take the car to advaced auto or some car parts store of that sort and they will check your battery ang charging system for free and tell you what parts you exactly need. I hope this helps. Don't forget to rate my answer, thanks.
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try cleaning your battery terminals and tightening them. if that doesnt solve the problem your battery or alternator may be dying, some auto parts stores will do a charging system check for free that will tell you if one or the other is bad.
Im guessing it is a jetta? I never heard of a polo. BUT the guy at the garage obviously didnt help you out very much except scanned for codes. ANYWAY.... P0116 means Engine Coolant Circuit Range/Performance. I recommend checking engine coolant temp[ECT] sensor G62. It probably needs to be replaced. And a coolant flush would probably be good to
My Polo had a similar problem and the brake light switch at the brake pedal was replaced. Then the computer was reset and the EPC light issue was resolved. It has something to do with the engine management, when sensing the light switsh being activated, retarding the power of the engine.
Bought a very reputable diy service manual for the vehicle, and that plus a bit of thought and nous gave me the cure: no intrinsic problem other than loose relay connections. Went round with the wiring diagrams as guide checking all electrical connections in tight and relays fuses etc all good. Switched on and no problem any more.
By the way, vehicle is 1992 VW Polo - not Fox (which in UK is a variant of the Polo)
Try moving the fan blades by hand to see if the fan spins freely to see
if the problem is frozen bearings in the fan motor. Replace the fan
motor if it doesn't turn. If it spins freely disconnect the wires and
hook the fan directly to the battery using a jumper. If it runs the
problem is most likely the thermostatic switch. If it doesn't the fan
motor is bad.