BlackLC2burd
Member
- Joined
- Jan 8, 2011
Having a problem with boost cutting out under load. Feels like it stalls under a heavy load, loses all boost, but right after I let go of the accelerator rpms come back up. Mods are in my signature. Fuel pressure rises with boost and steady. Turbo is set tuner style at 10 psi (no map signal to powerlogger yet though). Cam sensor end play is set to .015". Pressure tested the intake system from turbo inlet to 30lbs and no leaks what so ever. All vacuum lines zip tied. New oem module and coil, hotwired. New wires from rock auto. NGK ur5s gapped to .28. Grounds are all tight with no voltage drop (several ground bars throughout car hooked directly to b-) I did notice that the o2 does not cross at all. The denso sensor that was in there before did not cross either, so i replaced it with a bosch unit. Same results. 2 bad sensors possible? Also, my blms are real low. I tried lowering fuel pressure to 39 psi and played with the maf translator settings, same results. Im starting to lean towards injectors causing the low blms (115) or some sort of chip/pcm issue. Have not checked for a flat cam, weak valve springs or rubbing crank sensor. Would any of those cause this issue? I would think a bad crank sensor would cause the rpm to drop to 0 if the crank sensor lost signal? Any help would be appreciated. Attached are several logs. Thanks