Help....what could these fault codes mean????

Hi again, i did some search but without much joy...i'm not smarter than before

My hawkeye is showing these:
1. 3183 injector 1 peak charge long logged
2. 3030 air flow high fault logged

The car is running fine just that it's starting harder a bit from cold..... for that i thought i had the answer coz i've found 2 faulty glow plugs(waiting for them to arrive)

Could anyone enlight me on this pls?....... or at least point me where to search to understand what's going on.

Thanks

Dont know if you remembered my " injector fault " thread in the " engines " section.

I too had the same code on one of my injectors, ( I was suffering from black smoke, which turned out to be a poor re-map ),I cleared the code and it did not return in 1500 miles. Still trying to get to bottom of my smoking problem, I replaced the injector. ( obviously made no difference as it was the re-map ).

I then had the injector tested, and it was ok.

Del.

Thanks mate, what u said is reinforcing my fear about the tuningbox i've fitted.............and i was so pleased about the real nerv of my tuned Disco