Egine idle fluctuates 400-1500 continuous codes are p0341 p0346 p3350 on 2003 Audi A4 Quattro

Engine replaced due to oil pan break. Crank and cam sensors good timing set with audi tools etc no vacuum leaks present and multiple minds have been working on this for ever!! Help

Asked by for the 2003 Audi A4 Quattro
poss circuit issues. return to repair shop and ask them to look at it