Came across this when checking out my brother's car and it helped identify the problem. Mine doesnt have them but with the price of sensors and cats it might be worth a look before parting with your cash:
http://www.lambdapower.co.uk/diagnos...c_index.asp#q3
Nice info, I'll be saving that. Thanks
"The gas pedal wouldn't go to the floor if it weren't meant to be there"