P1133 Diagnostic Trouble Code Discussion for May 2013
Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching
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 P1133
| Help Request | Posted | |
| 1999 GMC C3500 Sierra SL 7.4L Poor Idle Quality, Poor Fuel Economy VIN: 1GDKC34J9X P1133: Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching. came in with miss and running rough. found a miss fire on #3 installed plugs and wires,still had miss replaced injector.preformed compression test very low on 3 about 90 psi replaced engine test drive did ok cust drove come back skipping on number 5 and 7 we c... |
May 02, 2013 |
