I just had this problem.It turned out to be the cooling fan radiator sensor.Located bottom left on the rad.Phew,£15 sorted it for the part .easy to get at from underneath.Note each model is different so have your full details when ordering.
right tyre size for p reg corsa
just after your Airfilter
they are the supes that have different labels on the reg like P reg,L reg,M reg and so on
i would assume that the wiring loom must have provision for it,i have just purchased a used corsa trip myself today and come accross the same problem,nowhere to plug my satnav.
A p reg is a car built in 1997
try looking it up on MPG comparison site like www.WhatMPG.co.uk they list vauxhalls on http://www.whatmpg.co.uk/Vauxhall%20MPG%20Information.html
Sadly, there is no method that can be used to bypass immobilizer on Mercedes 190e 2.6. The key needs to transmit the correct information to the DAS module before the engine starts.
Sorry i can't directly answer this question, but it might be worth looking for a haynes manual, they tend to have almost anything in there.
Proper old P reg was 1975 In those days the reg changed once a year on 1st August.
mine is a p reg and is electric hope that helps
P is a 1997 year
could be many resons worst end a head gasket fault,lack of water,inoperable fan,seized thermostat,air lock in coolant system