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Hooeful Hopefully the same here. Thanks

I have both sensors either in-hand or in-coming. I’m guessing this picture (back right/side head) is the sensor/plug for the cold start/ high idle. The plug looks like it’s seen better days… possible the reason for the incorrect function of the cold start/ high idle system… Zoom in to see the...

Yes, I have both incoming.

Found the glow plug sensor…

Agreed!

If it wasn’t expensive it wouldn’t be a good hobby.

Pricey, hard to find, or both?

Thanks - that makes much better sense than where I was looking.

Thank goodness on the 6 days a year- cause the fast idle and injection pump advance have juice going to them long after the M1009 has “warmed up”. Good news: both disconnected, not so good I could not locate the temp sensor on the passenger side head..? Left (driver’s side) sure thing. Plus...

Truck is not where I am, but will be tomorrow. Let me be sure I understand correctly. There is a temp sensor - back of passenger head. It runs the injection pump advance and high idle - via a green wire (to both?). The wire should have voltage prior to warmup -no voltage after. The truck can...