Revs creeping

Shoza

Shoza

Shoza

Associate
Joined
5 Jan 2011
Posts
724
Not sure if this is a problem which is obvious or could be leading to something that will be a bigger problem. My wife's 1.3CDTI Corsa has started creeping on the revs in idle. It will sit there around 900 and hover up to 1100 every few seconds and therefore sounds like it is humming up and down. Faulty ECU maybe? Heard these can get wet because of the placement on a Corsa - is that correct?

Car otherwise fine under power with no obvious issues with the car - serviced (filters, sparks & oil replaced) and MOT passed a few months ago.

Thank you
 
No it happens with nothing running in the car.

I also don't think it's an air leak as I thought that would have affected MPG which has remained exactly the same for some time now (average 60mpg) and there is no obvious performance loss either?
 
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