P1131 Diagnostic Trouble Code Discussion for April 2005
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 | |
| 1999 Ford Ranger XL 2.5L Hesitation, Cuts out VIN: IFTYR10C3X P1131: oxygen sensor lean. This vehicle will start and idle normally. Upon throttle opening the engine will not exceed about 2500 rpm (less under load) It feels like fuel starvation or restricted exhaust. Pressure is good, exhaust is not restricted. MAF is OK. O2 sensor is new and worki... |
April 26, 2005 |
