Flash ECU O2 Sensor Issue

**Greg E** · 10-18-2013, 01:19 PM

That's odd. How come your Baro sensor shows 0??

Does that sensor come alive when the stock ECU is plugged in?

**mb3000** · 10-18-2013, 03:14 PM

Re-installed the factory ecu. Pulls clean, hard, and to redline. Nothing was touched under the hood except the battery. Very discouraged at this point.

Logged using Evoscan 2.9, using the standard "EFI" instead of the Chrome specific "3000GT EFI" Here's the log.

https://docs.google.com/spreadsheet/...UE&usp=sharing

**Greg E** · 10-18-2013, 03:17 PM

Use my EVOScan file and take another log.

There is definitely something wrong with the baro sensor in your MAF.

**mb3000** · 10-18-2013, 03:18 PM

Will do. Should have it in about 15 minutes.

**mb3000** · 10-18-2013, 03:44 PM

Here's the new log: https://docs.google.com/spreadsheet/...Hc&usp=sharing

I've got a Montero 482 MAF and adapter harness ready to go, could pop that in w/ the fECU, make necessary adjustments to the fECU and give it a shot?

**Greg E** · 10-18-2013, 03:56 PM

Seems like you might have a bum ECU man.

Let me look over your logs one more time when I get home as browsing these files on my phone is difficult.

If you could do one more thing for me. Put the flash ECU back in and do a long (warm) idle log. No need to go WOT. I just want to verify the narrowbands cycle in closed loop.