This might be a dumb question but my sons 98 xedi has got poor fuel consumption, averaging 26 mpg which is mostly made up of 30 miles a day round trip to work,mostly A road and a bit of dual carriageway so not urban.Ive read up on here about putting in Wynns diesel treatment,changing the air filter ,checking tyre pressures etc which we are doing this weekend but I keep reading about the EGR,which when cleaned or blanked off seems to have a good affect.My question is that most posts say it is for TD4 engines so would my sons have one or not?
Thanks again for you patient answers.
Jon