O.K. Here goes. 'Exact' report from my mate. (No code number supplied) but... 'Catalytic converter efficiency below threshold bank 1. Air suspension had a code. (no number supplied.) Exhaust port solenoid has constant current. I did ask for codes, but. 'Its a long story'! I asked if my Cat is on the way out? Was assured it was the hole in the exhaust just in front of the sensor that was causing the problem. I am sorry to be so adolescent in my dealings, but I have the utmost faith in my mate's ability, if he 'can't' do it he will tell me. I also admit to being so excited when the car was fixed for £60 That I just wanted to part with the 'readies' and drive her.... Once again, my thanks and gratitude to those who took the trouble to answer and offer suggestion....