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Tdi sticking choke ??

785 Views 6 Replies 4 Participants Last post by  B47t0n
I'm not sure if this is normal or not but most of the time my car tics over nicely at around 800revs and at the odd times if I pull up at the traffic lights or i'n traffic it will tick over normally then randomly it will raise it's revs to around 900-950 some times it stay like this over times it will do it for a couple of seconds

Also I've realised some times when I first start the car it revs up then drops to normal tick over or if it's been funny tics over at 900-950 revs

Is this a sticking choke ? Or a possible maf fault

Or is this normal with the cold weather

Thanks i'n advance
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Hum that is strange, I can't remember off the top of my head what my TDI idles at but it sure doesn't go up when stationary! Not sure why it would be a MAF fault, it could be all sorts of things, for example if the coolant temperature sensor was faulty it might tell the ECU the engine is cold and therefore needs a higher idle. It's probably more cost effective to get your car plugged in to a Vag-Com, see if any faults have appeared, clear them and see what comes back again to make sure it is a current fault.
Thank you very much I'll try get hold of vag-com and a lead as it seems it will come i'n handy over time

Thanks again
does it make any kind of noise has the revs increase?
I had this issue on mine and it was the temp sensor. Showed up on vag com. Now replaced starts better and no more random revving.

Hope this helps

may be a stupid question but where is the temp sensor located ?
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