well when i hit the throttle it loses all power at appox 1900rpms if i hold the throttle down it will stall if i let it go it stays running at idle if i unplugg the map sensor i get power back but engine runs rough repalced map sensor didnt work replaced throttle position sensor didnt work doesnt feel like a fuel problem but might be can hear fuel pump working havent checked filter but with map sensor unpluged it gets power back so i think its gettring enough fuel not sure im stumpted please help