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View Full Version : P0172 Fault 04 Vert 40850 miles


Beaker
10-04-2019, 10:24 PM
So I noticed loss of power earlier this week, now its running super mega rich on BANK 1. O2 sensor or CPS?
ViperGeorge
10-05-2019, 10:12 AM
I would have thought it would also have thrown an O2 or Cat code but a bad O2 could be the likely culprit. Maybe also a bad spark plug.
sidwin
10-12-2019, 05:36 PM
i had a bad o2 sensor
Beaker
10-18-2019, 02:24 PM
Doing the rest of the O2's tonight. MAP sensor voltage was not within rage, replaced it and now BOTH banks are running rich, but no code after its cleared. Annoyyyeedddddd
Beaker
10-19-2019, 02:46 PM
New O2, new MAP, no codes, still at 30% trim. Have live data logs if anyone can help