Hi all,

New to the site so nice to meet you all.

I've bought a 2010 Astra SRI 1.4t a few weeks back but it's developed a fault but thought I'd ask for some advice!

Car drives fine but occasionally drops power when pulling off, say from a roundabout, like all the power drains out of it then suddenly resurges and drives back as normal.

Idle is fine but when left standing it gets rougher and rougher until it almost seems to stall out but then recovers.

Engine light has come on but ca