Thanks, I have passed your info on to the shop, it does sound logical. Anyone else with other ideas of a) how to fix it or b) how to stop my daughter from giving me grief !!!!
By the way I think that Donut shop had just opened and the war on terrorism had not reached there yet
1990 124, 300E 2.6 (daughter)
2004 Cayenne S, Fabspeed Cat Bypass, BMC Racing Filter
2000 Lexus RX 300 (Wife)
Retired 1999 ML430