6.9/7.3 Fuel Line Sensors - How?

[VanDiesel]

These attach to injector #1 on F series IDI and E series #4.
Anyone know how they work and with what equipment?

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[dgr]

For a rotunda timing meter

 

[VanDiesel]

Interesting. How do they work?

For a rotunda timing meter

 

[dgr]

I do believe they are piezo electric. Same as a ferret (rip) and other meters. Rotunda clamps to it and reads the mV signal. Piezo creates a signal when the line shrinks is my guess.

@icanfixall might have a few of these meters. He probably has more info on them

Fun fact. You need this in place if you have the original line as timing is a factor of the length of the lines. All lines from the pump to the injectors are the same total length. So the timing line is shorter by the length of the adapter

If you want to remove these, get a van #1 line for your truck or a truck #4 line for your van.

 

[VanDiesel]

Yep. Fortunately had in stock when changing to a pump and lines in place that needed it to preserve length.