Hi

I feel a little bit lost with this one main complaint is no power, reving only 2-3k revs and hesitating onb acceleration. Only one fault which is sometimes appearing is egr flow.
Blank egr , check air flow meter with the scope-trace is ok. Disconnected air flow meter -still drive the same. Maybe someone have got any more ideas Thanks

does it have vauxhall engine,these used to have vacuum control and if oil level was low it would lose some vacuum due to pump being high upon camshaft,also if it has vacuum control check all vac pipes to controllers.also have had recently two vauxhalls were battery resets have cured problems.!!!not sure on later stuff,airmass controls egr, if you are happy with airmass could there be a slight blockage between egr and inlet.good luck.

ok thanks . I will check a little bit more tomorrow .