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General => The garage => Topic started by: blainej1 on 12 July 2011, 11:22

Title: lumpy idle and intermitent missfire on idle mk4 gti 2.0 8v help !!
Post by: blainej1 on 12 July 2011, 11:22
basically car has had a slight lumpy idle so yesterday i took off the throttle body cleaned it and put it back on plugged my vagcom back in and the fault no longer read something to do with a faulty idle , drove the car all good no flat spots anymore

HOWEVER!!!!
This morning i started the car and something didnt sound right and was really lumpy i planted foot on accelerator and it was really lumpy for a few seconds then no problem what so ever i did run redex through the car lastnight when i filled up ??

the fault codes that came up are as follwed

Normal 0 false false false EN-US X-NONE X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin-top:0in; mso-para-margin-right:0in; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0in; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin;}

16684- RANDOM MULTIPLE CYLINDER MISSFIRE - this was two of the four faults
PO300 35-10 INTERMITTENT


16688 -these two said activation needed on vagcom
16686
Title: Re: lumpy idle and intermitent missfire on idle mk4 gti 2.0 8v help !!
Post by: sharki786 on 17 July 2011, 23:33
you most likely got a dodgy coil pack(s) was a COMMON problem with the mk4s