hi i have a vauxhall astra sri 2.0 manual
after 10-15 minutes if i take my foot off acelorator the engine management light comes on an it missfires untill i turn off engine then its fine again for same time,if i keep my foot down though its fine its just till i take off,any ideas please,thanx

martin, September 2010

Check spark plug are clean and the gaps, change the Air and Fuel Filters.
Sounds like a fuel air ratio problem or spark plug problem

kris 710, September 2010