P1271 Diagnostic Trouble Code Discussion for June 2009
Air Fuel Sensor (Bank 1 Sensor 1) Circuit No Activity
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 P1271
| Help Request | Posted | |
| 2001 Ford F-250 Super Duty Lariat 7.3L MIL Lamp on VIN: 1FTNX20F21 P1271: Cylinder 1 - High To Low Side Open Detected. ... you can see i have p1271-p1275 high to low open cyl's 1-5,i have pulled the v/c's and visually confirmed the ucv harnesses are indeed plugged in,i have ohmed(several times)the entire engine harness from the IDM plug to the... |
June 16, 2009 |
