Hondata

Adding fuel to the lower cells was the only thing I could do to make it idle smoothly. Taking it out made the AFRs bounce all over the place. That being said, turns out my new OBD2a to OBD1 harness was the problem. It has been replaced and my car was tuned by a professional yesterday. Anyways thanks ...

Still fighting this. I tried a different distributor and ngk resistor plugs. Ran new wires direct from the ECU to the injectors and power direct to the battery. Still having this problem. I smoke tested the system looking for vacuum leaks but everything looked good. I'm back to playing with the ...

Sounds a lot like the problem I am having. I made my car drivable by adding fuel to the bad area. It runs rich but it drives smoother. I am running in open loop though.

Thanks Bubleguy. I tried a different s300 (V1) and the problem persists. Never thought to try crome so I will give that a shot. I have been told by a very experienced tuner that it could be the ignition module inside the distributor. Im also running NGK 4554 non-resistor spark plugs so I think I ...

S300 v2, Smanager v2.3.2.0, 98 civic, B18b1 turbo stock block, Deatschwerks 750cc injectors, -6an fuel system, Walbro 255lph fuel pump, 55psi fuel pressure, AEM UEGO wideband

I cannot seem to get my idle AFRs better than 11:1. If I lean it out it starts hunting and my AFRs go back and fourth from ...