car came in with coil light on read fault codes p1481 replaced glow plugs all ok.
3 weeks later came in same fault,check supply to glow plugs all ok on each one.
replace glow plugs for different make light still on.car runs rough on start up,removed glow plugs 1 of which was wet,removed injector and had teseted all ok.
code s stored p1481 and p1630 drive authorisation as any body had this before?
all pipes are fairly new and no air leaks?