What is 'surging', and how would I identify it in an automatic Renault Clio during a test drive?

I am hoping to buy a Renault Clio 1.6 RT automatic (2000) and checked your review section for some background info. You mentioned that some automatics are prone to surging, which can be cured by replacing faulty inlet manifold gaskets. I was wondering what surging actually is and whether I would be able to identify it during a test drive. Also, roughly how much would it cost to replace any faulty inlet manifold gaskets?

Asked on 20 July 2010 by observatory

Answered by Honest John
Surging is the engine accelerating without you doing anything. Reckon on about £300 for the work.
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