[alochin]

Hi everyone,

I used a water injection system in the past on my old Chevy S10, it was a vara-jection, a discontinued system. I made a circuit to offset my oxygen sensor by 350mV, and everything was working great. Before I advanced my timing, I put an MSD ignition on it, with a special coil, and the vara-jection unit died. I forgot that the coil was getting 400V from the MSD unit, and the vara-jection was reading that signal... Ooops! So I never got to advancing the timing, but I could feel the engine was already more responsive just with the water injection and the O2 sensor offset.

Now I have a Honda Civic, and just installed a universal system with Progressive Controller. My controller blinks 3 times at start up (looks like it is set for 3 bar). The drive signal is tapped from the TPS. The problem I have is that the water injection doesn't come on until I reach ~ 1/2 throttle. I would like it to come on right passed iddle, and then progressively ramp up following TPS signal.
The START ranges from 1.8 to 4.6, and is set to 1.8.
The FULL ranges from 1 to 4.9, and is set to 4.9.
The Civic also has a MAP sensor, should I use it instead of the TPS signal?

Thanks.
Andre.

[Dust]

I don't have a lot of knowldge on the 1 bar map sensor, but the only want the map would help is if the voltage would be less, so that you could spray when you want it to. I have a 2 bar and I idle at 1.5 and EO at 2.4