Discovery 2 TD5 AUTO misfiring and blowing white smoke

So my discovery 2 TD5 auto is blowing white smoke and misfiring ive changed the injector wiring harness and the fuel filter and air filter and ive changed 1 injector that i thought was the problem but its still the same , when i plug the diagnostic into it while its running injector 2 says 'out of range' does anyone have any idea what could be the problem it doesn't lose any water or oil and ive checked the ECU plug and thats ok ???

Welcome to the forum

Sorry to hear yer motor has problems. This section is fer introductions only. Yer betterer to ask tech question like this over int disco section. More disco lovers will see it in there.

Over ere

https://www.landyzone.co.uk/forum/land-rover-discovery.8/

Hippo said:

Welcome to the forum

Sorry to hear yer motor has problems. This section is fer introductions only. Yer betterer to ask tech question like this over int disco section. More disco lovers will see it in there.

Click to expand...

Thanks mate