Hunting at 1700 rpm

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Hunting at 1700 rpm

Ianmull

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Nov 5, 2017
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Hi new guy here.
Looking for confirmation of my diagnosis.
Iv got a scudo panoramic 140 multijet 2.0 hdi 2009
Starts and revs up no problem. If I hold the revs steady from about 1700rpm it starts hunting. If I drive and hold the revs steady around there it starts to hesitate badly , however I can accelerate through this state no problem. I suspected the TPS but I removed and tested it and it appears ok . I now suspect it’s the injectors.... has anyone else had this drama and what was your cure.
Thanks for your help in advance people ??
 
Sorry to resurrect an old thread but I am having the same problem.

What was the outcome in the end?

My thoughts were the TPS too but it's no more than a guess.

I don't think it's actually rev related but more to do with the throttle position. It appears to be rev related as that's the range (1700) it happens in under normal driving. It seems to happen when the throttle is depressed by a very small amount. If I push through it, it seems fine. It's like the engine jumps from idle to revving (i.e. no throttle to throttle or engine braking to engine accelerating)
 
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