Hondata

This is in a 99 civic with a 2007 K24a2, Ep3 engine harness, Ktuned swap harness and a V1 PRB Kpro

So here recently my car has started to buck at around 4000rpm. When it does it its not like a limp mode rev limiter, its more like a tps failure that you can power through and it doesnt always do it but its very frequent. The MIL will flash when it does it but won't hold a code and after it does it ...

So it mist have been a coincident that it didnt throw the code with the 02 sensor unplugged. It just threw the code with it unplugged

I am not

One from the timing chain cover to the chassis, one from the trans case to the chassis and then the main harness ground is on the valve cover stud which I have another ground wire running from that back to the chassis

And could it be a bad 02 sensor? I went years with no problems and then all of a sudden i have this problem

And i also found out that Ktuned uses the same power source for the O2 sensor and the ecu in their conversion harness

All grounds are 100% I even added a secondary ground from the valve cover stud, which is where i have the ecu grounded

1999 Civic Si with an 07 k24a2, ep3 engine harness, older Ktuned conversion harness, V1 kpro , OEM charge harness and OEM battery in the oem location. The problem started last year. While driving the car hard it will intermittently throw a check engine light for the Daughter board, I could cycle the ...