P2271 Diagnostic Trouble Code Discussion for January 2017
Heated Oxygen Sensor (Bank 1 Sensor 2) Signal Biased Rich
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| Help Request | Posted | |
| 2008 Chevrolet Silverado 2500 HD WT 6.0L Hesitation, Surge, Misfire, MIL Lamp on VIN: 1GCHK29K38 P2271: O2 stuck rich bank 1sensor 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 |
