What does the code p219a mean on a Chevy truck?
What does the code p219a mean on a Chevy truck? I have had the code P219a come up in my truck. It not on all the time. My dealer on second visit says it’s the high pressure fuel pump leaking fuel into base. That it needs to be replaced. Has anyone else had this problem or heard of it? Thanks Welcome to the site. When to use p219a for fuel ratio imbalance? If the PCM detects an imbalance in the air to fuel ratio for a particular bank of the engine, a code P219A will be stored and a malfunction...