Don't want to rain on your parade, but there are many possible, 'downgraded modes', (limp), depending on what ails yout particular pug.
The one you get when it thinks it's out of additive, doesn't limit revs or boost, but limts injection volume to 30 ml/cycle, (or a bit under 50%), This isn't too annoying as it will wind it's way up to 80 ish eventually in the flat.
If it thinks it's overheating, or one or two other problems, it's a lot more restrictive.
If you have insomnia, (or a really long hill to climb), study this:
http://ftp.psyborg.rpg.pl/hdi/Citroen%2 ... Filter.pdf