P1133 Diagnostic Trouble Code Discussion for September 2010
Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching
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| Help Request | Posted | |
| 2002 Chevrolet Silverado 1500 4.8L Hesitation, Cuts out, Stall, Misfire, MIL Lamp on, extended crank VIN: 1GCEC14X2Z P1133: Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching. At initial startup engine seems to have a dead spot and backfire when accelerating. After a few minutes,of driving it Runs very good. with no lag and or backfire and plenty of power.Scantool data shows O2 sensors switching with no interuptions during road test... |
September 17, 2010 |
