Crappy Dyno (Update)

[jungspike]

For about 2 years I have been fighting a lean problem in my 3.4L Carrera (see link for history Crappy Dyno Run (Part Deux)).

Here is where I am at:

[IMG][/IMG]

The grey line is where I started trouble shooting. After exhausting every check of the Motronic system (with the help of Sal Carceller's help), AFRs were at the black line. Then I started to burn my own chips. I finally got them to the purple line. It is a lot of fun burning chips! I still have lots of work to do, but a least the car is safe to drive now.