VW Golf 1.4 - Engine Emission Light & No Power on VW Golf - cadders

The car is an 02 plate with 88k on the clock. Emissions light came on today, car sounds rough and is struggling when idling at about 800rpm. I have no power and generally it sounds like the exhaust is blowing. Am taking it to a garage tomorrow but wanted views on what the problem might be and a rough idea of how much it might cost.

Cheers

VW Golf 1.4 - Engine Emission Light & No Power on VW Golf - elekie&a/c doctor

Possible problem with ignition system.Coil/s ,ht leads(if fitted)spark plugs.These are the usual suspects on a VW.Difficult to give a cost.it depends what engine control system is fitted.hth