push it to the floor

[sr20detmike]

I have a sr20det s13 with sohc maf and 255 fuel pump and my boost gauge read 9psi some thing 10psi i have went them a set of bkr6iex plug and the were red with some blacks marked i figure i was runing a little lean so i ajust my ign timing and it help a little and got new plug but for some reason i cant hit my rev limter doesnt seem like it what to rev up past a certain point

thanks for your help if you can

[Klits562]

unplug your maf and try to rev it if there is no difference in how it revs then your maf is probably fried