I have a AEM air Fuel ratio gauge and am wondering if perhaps im reading lean because of a faulty sensor. Does anyone out there know if these gauges all accept the same sensor and if so what the part number of the sensor is that I would need to purchase?
I replaced my o2 sensor and my readings are showing much richer then before. Now I just need to confirm what my AFR should be at on my 07 yamaha apex with MPI stage 1 running about 5 lbs of boost.
I read somewhere that on a Apex turbo the following numbers were ok:
