need some help rb20det

[nissans14rb]

i just recently fire up my rb20det and finally got to drive it, but it just wont run right, i put it on first and take off i try to floor it and will just build pressure and will keep driving thru gears but it just wont go fast, feels like something its keeping the engine from going, wat could it be,i would appritiate some help , thanks

[Carl H]

pull codes and check for leaks.

[nissans14rb]

i just checked for leaks and everything is good, i pulled out codes 13 and 34 wich is knock sensor and temperature sensor,

[nissans14rb]

correct me if im wrong, its flashin 1 time slow and 3 fast and next, flashes 3 slow and 4 fast

[Carl H]

then your coolant temp sensor and knock sensors have issues...check the harness and the sensors.