P2270 Diagnostic Trouble Code Discussion for May 2019
Heated Oxygen Sensor (Bank 1 Sensor 2) Signal Biased Lean
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| Help Request | Posted | |
| 2008 Chevrolet Express 3500 6.0L MIL Lamp on, VIN: 1GAHG35K58 P2270: . ... pretty simple with the codes but havent got to the bottom of this one yet. So at random this van will show over heat and a/c dissabled. This will happen at start up after sitting all night and will happen while driving. Shut van off restart almost alw... |
May 01, 2019 |
