P2270 Diagnostic Trouble Code Discussion for January 2017
Heated Oxygen Sensor (Bank 1 Sensor 2) Signal Biased 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 P2270
| Help Request | Posted | |
| 2008 Chevrolet Silverado 2500 HD WT 6.0L Hesitation, Surge, Misfire, MIL Lamp on VIN: 1GCHK29K38 P2270: O2 stuck lean bank1sensor 2. Customer complaint is intermittent loss of power,pinging and flashing check engine light.Test drove it with scanner and fuel pressure gauge hooked up.It feels like it is lean or the exhaust is restricted.Fuel trim numbers are around 0 and fuel pressure stays a... |
January 12, 2017 |
