adaptorman 0 Posted December 29, 2010 hi all new member to this forium , but well known on others , im having idiol issiues with mk1 12v vr6 turbo engine , due to standalone issiues ive had to refit my stock chiped ecu , quick spec is 95mm maf tube obd1 4pin maf ,hx40 turbo 640cc tunie 4bar 25/30psi ive spent hours trying to work out why it dose this (ill try explain best i can :) if i go to start my car from cold or from hot ,it will always start fine but the engine revs shoot to around 3200rpm and hold for a few seconds before steadly dropping down to a rich idiol ,when then goes lumpy , ie rich then learn/rich etc , its seems ok in mid boost and hard in boost,any ideas, list of things ive replaced idiol valve 4pin maf lamda sensor ,oringal bocsh type vacum pipes fpr in fuel rail boost engine test holds 5bar before boost cap blew off turbo houseing so no silly leaks there :lol: tempture sensor alti replaced for a oringal 120amp type , ive pluged vag.com in and ive no faults showing , but have noticed the ecu isnt keeping its memory :confused4: Quote Share this post Link to post Share on other sites
