I have an S Type Diesel 2.7 - the performance light came on a couple of weeks ago and it went into limp mode. After turning the ignition off and on again it cleared and hasn't come back on. But now and again the accelaration performance is not there = green flag have been out to look but nothing comes up on the diagnostic machine. Any ideas would really appreciate some help. Thanks Phil

 

Don't mean to put you off but most members here are USA/Cdn - no diesels there.

Try the UK forum. Be sure to include the car year as well