1995 GMC Vandura 2500 Q&A

1995 GMC Vandura 2500 Question: I just pulled the diagnostic codes on my van. It gave me a 4 or 44. that means?

My van started to chug Friday night after a fairly lengthy trip. This morning, I pulled the codes to find out what the problem was. It gave me either a 4 or a 44. I'm unfamiliar with that code. -
This question hasn't been answered yet.
Answer It or share it on , or Email to get an answer.