I do! ;)
Only as a "last resort" if the main and control fuel pressures are correct, fuel injectors are known to be good and if the oxygen sensor is not switching requiring diaconnection so not giving the lambda computer the correct info to give frequency valve dwell feedback, and only if I don't have an exhaust gas analyser on de-cat cars.....
Temporary measure though until the irelevant tems are fixed.
NickT