Here is a company that not only makes
USB O-scopes that plug into your computer
but have also spent a lot of money on education
about EFI and ignition systems.

If you are having trouble with your EFI perhaps
a USB O-scope might be a good investment.

http://www.picoauto.com/tutorials/

http://www.hensleytechnologies.com/pico/?gclid=CKSFgKeOrJkCFQO5Ggod02vxIg


Paul Lamar