wrote:
> In a EFI engine the fuel consumption is based on the on
> time for the injector(s). Has anyone seen any DIYS circuits
> for intergrating the injector duty cycle.

Old add-on gas mileage meters measured flow in the fuel line.
With some FI, you would also have to measure the return to the tank.
Then measure odometer, and do the math.

--
---
Clarence A Dold - Hidden Valley (Lake County) CA USA 38.8,-122.5