rev

Hi I bought an astra last week, drove it home engine management came on, chugging when driving at a constant speed in all gears, when engine is cold i.e. In the morning going work it cuts out when idle, codes coming up are P0130 and p0170. Also when idle the rev needle moves up and down so far...

Engine seems to be revving slighting and hissing intermittently. What could this be?

Hi all, I have a 2009 (59) Astra H design 3 door hatchback with a 1.4L ecotec engine (it's the only 1.4 design 3 door I've ever came across). I have been having some issues with it of late, even though it has only done 38,000 miles. On start up, mainly when the engine is cold, the car will rev...