Hi , I have recently brought a clio 172 2002, been having problem with the idle and when driving., has loss of power while driving, it has been decatted, with full s/s exhaust, induction kit and the previous owner had it remapped, fault codes that come up was 02 sensor bank 1 sensor 2 fault, p0500 and a gearbox temp sensor, the engine light comes on then flashes while driving, anyone had a same experience,