hi there im new to the group and have just bought a corsa c 1.2 16v sxi ..... just recently had a full service.. all good no probs... but have just had what i believe to be an emissions light come on... so the manual says? now ive contacted the previous owner to ask why this light would of come on... and he said he had a full stainless steel decat system made for the car and had to change it back to cat to pass mot .... now the car was sold to me with cat back on... and he believes this is what triggered the light before? so what am i supposed to do? i been told lambda sensor , ECU, cat manifold alsorts what do i do before putting in garage to get stung again?

Comment