Vauxhall Astra Idle Air Control Valve Problems
Problems mentioning the Idle Air Control Valve on the Vauxhall Astra
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What problems can be caused by a faulty Idle Air Control Valve?
Check Engine warning light showing on dashboard
The dashboard warning light showing on this page (or one very similar, sometimes a slightly different shape or colour) has appeared on the dashboard and doesn't go off when the car is running.
Engine cuts out
The engine cuts out without warning, the engine just stops and needs restarting.
Engine is rough at idle speed
At idle speed the engine sounds like it's about to stall, it improves when the accelerator is pressed down but when idling in traffic it sounds like it's struggling to run properly.
Engine does not sound or feel normal
The engine doesn't sound normal, it can sound like it's struggling to keep running or out of time. The engine note produced by the engine can also sound very different, it's often a deeper, more bass heavy sound that it is normally.