Help us help you. By posting the year, make, model and engine near the beginning of your help request, followed by the symptoms (no start, high idle, misfire etc.) Along with any prevalent Diagnostic Trouble Codes, aka DTCs, other forum members will be able to help you get to a solution more quickly and easily!
I have Chevy equinox 2010, 2.4L LTZ, Code P228D remains permanent and after driving a while, Code P0089 appears with Enggine power reduced and stabilitrack code pop up on screen. I bought a new high pressure pump from Amazon, the problem still persist. what do I do to clear the fault. Jonathan