My son has a 37-month-old SAAB 9-3 1.9 diesel that has done 30k+ miles. He bought it at 12 months old from Gordon Lamb Saab in Sheffield, which as since gone out of SAAB dealership. He has had it serviced per schedule at a company called Malbrad in Huddersfield (www.malbrad.co.uk) who are independent SAAB specialists, been on the go many years and are highly regarded. There is no authorised SAAB dealer in Huddersfield. Within the last 10 days the car's engine management light came on and power was decreased. Malbrad plugged in their computer and identified a fault code referring to the swirl valve. As the car was just one month out of warranty, my son was advised to approach SAAB through a SAAB Dealer, Robert Bowett at Leeds. They came back to say that SAAB would not entertain a claim. My son then contacted SAAB by email and SAAB staff rang him back to say that they would not make any contribution as there was no service record for the vehicle on the computerised records. My contention is that the vehicle has been serviced and maintained to SAAB specification. I understand that warranties are not affected if vehicles are serviced to manufacturer's spec and using the correct parts (although I accept that the vehicle is just four weeks outside warranty). In any case, I understand that the swirl valve is not a serviceable item. I understand that this is a known problem on this engine and that SAAB has made contributions to repairs on vehicles up to four years old. In the meantime, the fault seems to have cleared itself - at least for the moment, and the engine is running normally again, although there is every likelihood that it could recur at any moment. Your advice would be greatly appreciated.