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It would not start yesterday ,left it overnight and got the garage a bit warm and it started first time . The slow running after 2 mins came up after I droped the revs to 500rpm and then the ECU/ valve brought the revs up to 1100 Its an original temp sensor but no manufacture mark on the idle...

My 1992 JA classic has always been temperemental cold starting. Its always OK if you turn over and then give some throttle as it just picks up and you keep it reving then slowly drop down 550 RPM.It will not idle properly for about 1.5 mins until the Ecu brings up the revs from 550 to 1000 Rpm ...

Just a quick update . The classic is 1992 JA , I also have LPG and always start on petrol, which is fresh

My classic has always been temperemental cold starting. Its always OK if you turn over and then give some throttle as it just picks up and you keep it reving then slowly drop down 550 RPM.It will not idle properly for about 1.5 mins until the Ecu brings up the revs from 550 to 1000 Rpm ? ...

My RRC did the same in Italy The nwe transfer box was too stiff and the automatic Difflock would not engage