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.
Most affected: 1.25 Zetec-SE, 1.6 Zetec-S
Typical symptoms
- •Jerky acceleration
- •Misfire under load
- •Lumpy idle or poor cold running
What to inspect before you buy
- ✓Drive the car under load in higher gears
- ✓Look for recent ignition-component invoices
- ✓Avoid cars with obvious aftermarket ignition bodges