Thanks for everyone’s responses. I was confused why this wasn’t the first thing they tried, so I called the first mechanic and he said he replaced the EGR system (including the DPFE sensor).
Here’s an image of the EGR system: Image
Thanks for everyone’s responses. I was confused why this wasn’t the first thing they tried, so I called the first mechanic and he said he replaced the EGR system (including the DPFE sensor).
Here’s an image of the EGR system: Image