P0131 Diagnostic Trouble Code Discussion for May 2017
Air Fuel Sensor (Bank 1 Sensor 1) Circuit Low Input (Lean Shift)
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| Help Request | Posted | |
| 2011 Cadillac CTS Luxury 3.0L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, MIL Lamp on VIN: 1G6DE5EY6B P0131: o2 low voltage b1s1. hello gm experts this car has lean code boths bank o2 low voltage boths bank fuel pressure on gauge show 60 koeo about 46 koer scanner show 43 psi fuel rail pressure shows 2.1 mpa I am thinking about high pressure fuel pump.any suggestions are welcome ,thanks. |
May 09, 2017 |
