shop says it needs a new engine P0299, p0300, u0109
Looking for some help.
Car is a 2016 limited
Car is running rough. Shop says they found the waste gate was disconnected on the turbo, and cylinder 1 spark plug was black. Car has also been throwing service stabilitrak warnings.
Shop says the engine is shot but the only evidence they have provided is the info I listed above and the codes in the ecm
P0299, p0300, u0109
What do you guys think?