Ok, I cleaned the MAF and TB, had Nissan do a clear and re-learn, but the motor still dies during the situations mentioned in the first post. The only other things I can think of are the front O2 sensors, but there has been no light for them, or possibly the TPS? I read somewhere that someone had a similar issue with a 350Z and it was his TPS sending false voltage readings. Does this sound right?

 

happened to me once but after i reset the ECU it corrected itself. have you tried that?

 

Yes, it's been done numerous times by me and it was just at Nissan yesterday and reset again.

 

ummm if you have HFCs on your car and you reflash the ECU you will probably have idle problems. My car was in the shop for almost a month because the dealership reflashed the ECU without asking me (I asked to be notified if they had to do this) since some "TSB - that never existed" told them to do it....

My idle was HORRIBLE and my car would stall and basically would not relearn the idle. I had to get a tune (Uprev) in order for the idle go back to normal and stop throwing codes. Any mods that interfere with the factory Air Fuel ratios can make it hard or impossible for the idle to go back to normal after reflashing the ECU.

 

Idle is fine after Nissan did a re-learn. My issue is the engine dying as posted in the first post. It has done this since before the HFC were installed.

I'm not sure if it would cause the car to die like stated before, but I think I may have a bad TPS. Twice now it has gone into limp mode and thrown a code "P2135 Throttle / Pedal Position Sensor / Switch a / b Voltage Correlation".