Quote:
Originally Posted by wrgsm
I'm in the same boat,
P0139 + P0159 = B1S2 + B2S2 Slow Response
P0137 = Low Voltage B1S2 (replaced with new, 0v still. Wiring is open somewhere, this bank had harness repaired previously, don't know if it was done correctly.)
P0037 = B1S2 02 Heater circuit low (See reason above, believe 037 and 137 are related and caused by the same issue, bad harness repair.)
P0158 = B2S2 High Voltage
Except the kicker is that they're permanent codes. So there is absolutely NO getting around it besides fixing it correctly and getting the module to read expected values. Im temped to wire up 02 sensor simulators just to get the damn codes to clear. What do you think your next plan of attack might be to tackle the issue?
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Got o2 spacers, going to try steel wool in the o2 spacers. Found a thread on 350z forum regarding high flow cats suggesting that works. Next step would be mini - cats (basically non fouler with cat converter honeycomb material in it) If that doesnt work im going back to stock cats and just giving up on any type of tuning on this thing.
