power loss

[gunmetal240]

hey guys ... i need help. im a newbie. i have a 90 240sx with a ka24e. when i drive it it loses power when it warms up. i dont know what to do. it runs like a champ until it warms up then it boggs like i have to floor the pedal to get it to 3500-5000. and advise will help thx

[Bigsyke]

coolant temp sensor;

pull codes and see if you get the KS code.

[gunmetal240]

my car has no knock sensor ka24e

[gunmetal240]

pls... can anyone help me with some good advise.....fuel pressure is ok, cylinder pressure is ok, injectors are new stock, fuel pump is new oem, coolant temp sens is new, mass airflow sensor is fine, throttle pos sensor iis fine. thx

[jspeedm]

make sure you have the right temp plugs and they have the correct gap. make sure you base timing is set right 15 +/- 2 degrees btdc. chech for a vacum leak. those are the only things i can think of that might cause that problem.