I wanted to ask of people who know, what my theory is that because the slope of the injector current is so slow it seems to me that when the engine wants to stall it is despite the trace showing the correct millisecond opening time that the physical response of the injector simply is not there and ...

Can someone please have a look at this screen shot of my injector/s. I have a problem with idle and random lean operation this has recently started to happen at part throttle too!@ on a fully tuned map... this issue is not there at full load and boost condition. From my understanding the injector s...

Does your service information list this engine as having a MAF, a Manifold Absolute Pressure sensor (MAP) or both? You state that the post cat O2 sensor has a "poor reading". Could you elaborate? The way I like to test AFR sensors is to use an exhaust gas analyzer (4 or 5 gas) and compare AFR or Lam...