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Hi all. We have a automatic 2006 Terracan tdci. Recently the car has started to idle high. Usually the idle rests at 650-700rpm but has started jumping to 1000rpm when I stop at a junction and unless I have my foot on the brake it pulls away as if i'm accelerating.
This also happens when in park and neutral
It doesn't happen all the time but more often than not now.

I hope this makes sense, any ideas would be appreciated.
 

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Throttle position sensor maybe?
 

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Hi just check the knock sensor wire plug or make sure the wire is freely loose. my terry idles fast at times and found it was the plug and wire pulled tight so moved the wire to cut some slack and should be all good.
regards craig
 

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hi,i had the same prob with my Terry,and was bad fuel injector.go to service and let make diagnose and you will see.
 
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