Hondata

What is the serial number that is on the K-Pro board inside the ECU?

Sorry for the long delay, the ecu is good and it seems to be within the harness. The obd scanner is not even coming up with a code for a misfire on Cylinder 1

I checked the compression, power going to the coil and injector ...

I went to a Hondata dealer in PA (Import DPS), They stated that they could not find out as to why this problem is occurring. I need to ship this ECU to yall for further testing.

I seem to be having the same problem as well. I have a PND ecu too. And the car starts up, but idles very low. Cyclinder 4 does not seem to be firing at all. Check all my grounds. Bought a new tuck harness, I even swapped the crank sensor wires around and still. Replaced my injectors with oem ones ...

Loopy will do, have you see an ecu with bad injector drivers ?

I have the same issue currently, I've have also changed all the parts as you mentioned as well. No change, I'm 100% sure its the engine harness, I have ordered on and will be here this week. And if its not that then its then ECU with may need to be sent in.

I have a 98 Civic dx 5 spd with 05 RSX base k20 5spd manual, the ecu (Hondata) and engine harness is from a 03 Civic SI. From the first time I started the car before the ecu was fitted with Hondata. The engine was misfiring on cylinder 1, All these parts are new: spark plugs, coil packs, Type-S ...