SOURCE: chevy 2011 equinox
bank 1 intake sensor fault, I would disconnet wire at sensor with key off and look at terminals closely to see if the female terminals are tight together so as to when they are plugged into sensor (male spades) are tight in connector, and not partially backed out. bank 1 is the head that is the farthest forward on eng. (pass. side) and intake sensor would be the inner sensor....there are 4 of them...2 exhaust and 2 intake . each head has 1 exh. and 1 int. sensor. good luck hopefully you just have a bad connection !
Most likely a P0011 DTC will result in one of the following: hard starting, poor idle, and/or stalling. There are potentially other symptoms as well. Of course, when trouble codes are set, the MIL (malfunction indicator lamp, a.k.a. the check engine light) illuminates.
Causes
A P0011 DTC trouble code may be caused by one or more of the following:
This DTC code is a result of a mechanical fault of the VCT unit or related components, so there is no need for electrical diagnosis. Refer to vehicle specific repair manual to perform component tests for the VCT unit. Notes: Dealer techs have advanced tools and the ability to follow detailed troubleshooting steps, including the ability to test components using a scan tool.
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