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2002 Polo SE 5 door. Intermittent problem with starting. Last time I took it to a volkswagen dealership and they replaced the crankshaft sensor...and it behaved for a few weeks. When it started to do the same thing again I took it to the local ultratune and they queried the computer and found a different sensor with issues. They removed that sensor & reconnected it(advised me that it was connected but pretty much fell out in their hands) and it worked fine again. They didnt charge for that and said if it does play up again in next couple days we will replace it. Several weeks later im having the same problem. Sometimes it starts fine....sometimes it wont kick over...or pulse as one roadside mechanic put it...then out of the blue it will decide to work. Roadside mechanic couldnt find the problem either but said it may be sensor related....maybe that same crankshaft sensor. I dont have bottomless pockets and im getting fed up with what seems to be quick fixes. Any constructive suggestions on how to get this fixed would be greatly appreciated. Im located in Sydney, Australia

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  • rory1972 Aug 02, 2009

    Starter motor is kicking over fine. I have actually had that replaced last year...its done just under 120k

    It is sometimes possible to get it working by pumping the hell outa the peddle whilst trying to start it...but that i imagine would put unneccesary strain on the starter motor....and risk flooding the engine... so I prefer not to do that.

  • Colin Stickland
    Colin Stickland May 11, 2010

    well cobber need a bit more info on this one ,like is starter motor turning over ok and its not starting or is the starter motor kicking in then throwing out .



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Well not sure about this,but if engine is turning over ok then its not what i thought it would or could be ,but if pushing the accelerator makes it start then this action on its own wont help but its given me a clue and that is that the pump in the petrol tank is playing up or most likely its the flexable pipe that connects the pump to the outlet pipe on the sender unit.Without haveing the jam jar in front of me its difficult to say but a quick test when cold and it is giving you jip because it refuses to start and that it to put some petrol in a washing up bottle and give it a squirt over air filter ,then close cover and try to start then if it fires and dies you know you have a fuel problem.If it doesnt start then its a pick up sensor on the coil or evan a dodgy ECU .another trick is try the spare key,in case immobiliser is cutting in .try a squirt of gas first then see what happens,if you havent fixed it by nov 2010 then when i fly into sydney on my way to visit my son in some backwater north of adelade i will kick it on the bumper swear at it in german and threaten it with my no3 hammer and it will work perfectly after that.Love the new year fireworks from your neck of the woods

Posted on Aug 02, 2009


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