1996 Vauxhall Corsa

1996 Vauxhall Corsa Two Wheel Drive Manual 139750 miles

Hi
My Vauxhall corsa 1.2 1996 has died
It got slower and slower, loosing power, over about a week. then it just wouldnt start

ive changed
fuel filter
spark plugs
ht leads
cleaned it out with redex
checked exhaust for blockages

Im really outta ideas