jumping tach/missfire

[92turboaccord]

so like it says, i did a h23 i/m swap everything was fine friend drove my car came back said tack was jumping. i left the house got on it pulled till like 3500 then jumped to like 8000 and a bad missfire car was missing a grip then died reset the comp started right up now the promblam is i start it it runs i give it gas it goes to 1500 then dies wtf cel is 43, changed the dizzy internals coil p6 comp any help would be good i need to go to work tomarrow and missing my dads b-day

[NAiL05]

What internals did you change. Usually an ignitor causes bouncy idle.

[92turboaccord]

tach jumping idles at like 750... so i figured out that everythings fine till i give it gas then it misses and dies

[92turboaccord]

fuel pump????

[92turboaccord]

o2??? running lean

[mrhonda]

yep that would be the ignitior

[92turboaccord]

so changed the whole dizzy cap roter ignitior still same problams

[Losiracer2]

check the main relay under the dash, it controls the fuel pump. the leads on it could possibly be cracked causing a bad connection and thus your jumping tach. I had mine replaced when i did my ignitor/dizzy/cap/rotor/wires/plugs.

[92turboaccord]

so i kinda figured it out... i nput my a6 parts back on, it would fire but under a load it would die so i changed the fuel filter started right up everythings fine wish i didnt take the h23 i/m off but whatever..........so h23 i/m forsale now

[drkshdw107]

check you injectors and pressure regulator too...they may have been damaged or dirt may have gotten in them during the swap...also check for vacuum leaks...

code #43 relates to the o2 sensor or fuel supply system...by the book you should check the following items in this order (this is based on what you have told us):
1. Fuel Injector
2. Injector Resistor
3. Pressure Regulator
4. Contaminated Fuel

[92turboaccord]

so i got my car fixed today after replacing fuel pump, filter,injecters nothing also changed cap roter internals wires coil still nothing changed everything i was told to check/change from people on this site nothing fixed it so im not trying to be a dick i dont want to offened anyone but wow some people must go broke fixing shit they think is wrong it all came down to checking i had a loose ground all fixed much better now