I have a 2003 a4 b6 1.8t bex 190bhp and the o2 sensor shorted causing a flow of dtcs. Replace the maff sensor and o2 sensor (post) and still got lights on . Delete and they come back. Have I fried the ecu ???.
dtcs are
P0444
P0036
p0418
p0414
p0102
p0030
p0141
A little help is muchly appreciated