Coil Pack and HT Lead Misfire
ModerateElectrics & ElectronicsLater small-capacity Zetec-SE petrols commonly develop misfires from tired coil packs, leads or plugs, especially after damp weather or deferred servicing.
Est. Repair Cost: £60–£180
2000 is the first full year of the UK-named Mk5 facelift, bringing the revised nose and dashboard but not a truly all-new Fiesta underneath.
Later small-capacity Zetec-SE petrols commonly develop misfires from tired coil packs, leads or plugs, especially after damp weather or deferred servicing.
By now most Mk5s have been through multiple sets of front suspension parts, and worn bushes or links make the steering feel loose and noisy.
Ageing lock modules, key transponders and damp electrical connections can cause remote locking failures or intermittent non-start issues.