Hello im new this this forum and been been advised from cavweb to join you as you may be able to help
i have a 2001 plate astra sri 2.2
she starts and ticks over lovely but after a few mins driving the idle is lumpy and she appears to be misfiring and truggles to start at times but always starts after a few turns
ive scanned the ecu and no faults have been found looked at the spark plugs and all seem fine is they any thing i can do or clean ive been told it could be egr valve is this possible to blank of and if so were is it located
hope you can help me and thanks kieron