View Single Post
Old 10-12-2015, 09:20 AM   #3
marg99
FF.Com.Au Hardcore
 
Join Date: Jul 2008
Location: Melbourne
Posts: 804
Default Re: Focus 2003 zetec/lr pinging - what to check?

vacuum leaks usually show up as the engine hunting at idle that is revs going up and down a bit not staying constant. you could expect a split rubber vacuum hose at the cars age and its always the one that is hardest to get at
marg99 is offline   Reply With Quote