Ecu replacement

[Rosie mitchell]

My Vauxhall astra van has got a misfire on no 3 , checked by several garages after scan they say I need a new ecu and it needs to be programed  to .y car. Can anyone suggest where I can get it done .

Car is very precious to me

 

[Vauxhall Owners Club]

Have you had a compression check done?

Spark plugs, coil, leads, so many other things to also check

Also, not sure an ECU from a car that age needed programming apart from maybe the security system coding but not CanBus systems like nowadays