Chevy HHR P0100: Meaning, Causes, How to Fix
P0100 is a generic OBD2 trouble code that indicates an issue with your Chevy HHR’s Mass Air Flow (MAF) Sensor. This code is usually caused by a MAF sensor that is faulty, dirty or a wiring issue related to it. It may be tempting to replace your HHR’s MAF sensor without checking the electrical system … Read more