The Volvo Mark 4s are Euro-1 engine standard compliant. Or have
the engines re-modified to comply with the Euro-2 standard?
The Mark 2s, CRBs and the O405s were bought between 1987 and early
90s, so they can't comply, even with Euro-1 engine standard. Or
have the engines re-modified to comply with the Euro-2
standard?
Cheers and warm regards