Ive just replaced coil packs on a 2002 1.4 golf engine code bca, after fitting the coil packs and clearing all faults the missfire has gone but the engine is etill abit lumpy/shakey, also the speedo.

If i unlpug and reconnect the egr the eml comes on and the speedo works fine. so im a little confused as why does the speedo work fine when the eml is on?

Anyone experienced this problem.