chris k Posted September 6, 2017 Share Posted September 6, 2017 hi thanks for having me i have a problem i have a audi a4 1.8 reg 1999 one night driving back home floored it a bit EPC light came on and would not go over 4000 revs and no power car starts but very lumpy on idle and jumps like a frog when driving ?? checked with meter no error codes at all when guy came out >? he suggested new coil pack im a bit sceptical about buying something that might not fix problem wondered if u guys could help me out knowledge wise if any thing like this has happened thanks in advance Quote Link to comment Share on other sites More sharing options...
Magnet Posted September 8, 2017 Share Posted September 8, 2017 Hello Chris, Although I would guess that this car is a little early to benefit from all the current plug-in information which is now available (I'm sure others will enlighten me on this ) then surely it would tell you whether one or more cylinders are not firing. If all else fails why not disconnect each plug lead/ coil pack, one at a time, to see which one make no difference when disconnected. Kind regards, Gareth. Quote Link to comment Share on other sites More sharing options...
JonAudiFriendSmythe Posted August 7, 2018 Share Posted August 7, 2018 Check your front engine mount Quote Link to comment Share on other sites More sharing options...
Nomi64 Posted April 8, 2019 Share Posted April 8, 2019 How is the front engine mount related to misfiring? Please enlighten? Quote Link to comment Share on other sites More sharing options...
Dan3222 Posted April 8, 2019 Share Posted April 8, 2019 If the front engine mount deteriorates past a certain amount it allows the engine to move around too much and this can feel like a misfire creating imbalance. Quote Link to comment Share on other sites More sharing options...
Nomi64 Posted April 9, 2019 Share Posted April 9, 2019 Thanks for the explanation. Makes sense. Cheers. Quote Link to comment Share on other sites More sharing options...
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