This VW has a Fuel Trim Bank 1 System to lean code. The vw code being 17544 and the p code p1136.
I put a smoke machine on her to see if there are any vacuum leaks. Not a single one was found, also used the water bottle trick, to no avail. The next thing i did was to put a scanner on and get 02 sensor voltage while hot. I need help reading the graphs, please.
Does the book that Paul puts out help interpret graphs and whats out of range and why it maybe that way. I'm self taught and lucky enough to afford nice tools but I lack the knowledge of being able to interpret the data.