P1131 Diagnostic Trouble Code Discussion for September 2007
Heated Oxygen Sensor (Bank 1 Sensor 1) Indicates A/F Ratio Too Lean
Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.Trouble Ticket Help Requests for DTC P1131
| Help Request | Posted | |
| 1998 Mercury Mystique GS 2.0L Hesitation, Surge, MIL Lamp on VIN: 1MEFM6530W P1131: Lack of 02 switches. Once again, the blue oval has kicked me in the teeth. This car has a seriously lean condition, verifyed by 3 codes (listed) and also confirmed by the performance and low 02 volts. Road tested with fuel pressure guage visible on windsheild and found pressure we... |
September 05, 2007 |
