1999 DF50 2 4 code help

[striperswiper]

I bought this rig last month (did not bay test so my fault) only ran on hose. Hopefully a Suzuki tech can help out. This is

[striperswiper]

are there any Suzuki Techs on this board?

[tugboat]

Looked at the two videos, will it run ok with the cover of? Can't explain the alarm but I had an exhaust leak in the joint between the oilsump and the power head adaptor plate with the cover on got map sensor alarm and ran badly ran great with cover off.

[striperswiper]

no, runs the same with cover off, had cover off that day because