1999 chevy tahoe service engine soon codes P0304, P0440,P0440pd?

Jeremy R

New member
ok so i was cleaning under the hood with the water hose then my tahoe started acting like it was going to die on me the got so bad to where it wont even crank anymore. So I looked up the codes and it says p0304 misfire detected in cylinder 4, then 0440 evap emission control system malfuction how can i fix this?
It turns over fine, its getting fire from the igniton coil and the fuel pump is workin fine just dont know what it could be
 
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