The DREADED P0204 Injector NUMBER 4 !! Does DIESEL KLEEN Actually Work ???

My Denali was running so bad went in to limp mode and almost didn't make it home so I threw a bottle of diesel kleen in there and took it for a spin

Here are the tools I am talking about
https://amzn.to/3jNC9q4

To save money on fuel be sure to sign up for the Upside App. All the cool kids are doing it. Here is the link

http://www.jdoqocy.com/click-100736243-15232114