joshua19
hi everyone coop95 here, i,ve just come into ownership of a 98 s40 sedan badly neglected mechanically, was running rough, cleaned up and replaced everything possible. oil and filter fuel and air filter plugs and leads. coolant. will start runs good then dies. found out has no spark. rmoved timing cover to check if timing belt repalced which has been. found small ten mm hole next to number 1 spark plug and looks like the is a bolt hole to hold something down. does anyone know what goes into this hole btw has oil in it, and where does it go to on motor. also why does the spark die, googled problem and could be coils yet car drove find when i brought it home, cleaned out isc unit and also did trottle body and have checked for vacuum leaks. starts but dies again soon after, seems to run smooth then rough then smooth, runs really rough then dies won,t start again. help i don,t really want to sell car as it was a present from my partner. any ideas pleae I,m stumped. oh btw it,s a 2 litre 16 valve not turbo version