Any ideas of how to fix my vauxhall vivaro?

have a 2007/08 vauxhall vivaro 2.0 cdti fault code po0235 comes up.glow plug and car with a spanner light up as well as my engine management light.no smoke or noises,but power cuts right down most of the time.Changed the pressure boost sensor and map sensor and the actuator is ok on the turbo.still getting same fault.Any ideas
paul burton, August 2022


done
A few things to check are mentioned here,including a few voltages to check:
https://www.vauxhallownersnetwork.co.uk/threads/2-0-cdti-p0235-code.891761/



Edjej, August 2022
link Click here to see other fixes for Vauxhall Vivaro.