hi everybody! my crx hardly revs to 6000 rmp and won't rev higher in any gear when the engine is cold it runs fine but after it warms up it sucks what could it be?

 

any check engine light / fault codes?

 

no. there was check light few weeks earlier, it was code 7:throttle position sensor, but it was dirty connector, after that car ran fine, now it takes 5000 rmp and then sucks, slowly moving to 6000-6500rpm, stops there when the engine is cold it is running fine putting tachometer to 7500rpm, but after it warms up- sucks i dissasembled dizzy yesterday there was a little amount of oil inside, i cleaned everything up, but it still revs hardly when hot. help somebody