Hotwire
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What controls the fast idle sensor? just swapped engines and now my engine doesnt idle fast at start up, and its kinda rough idling but after a few minutes smooths out, 28 degrees when i started it today, i think its the push rod type sensor with a green wire, does the sensor that serews into the block on the passenger side rear area control this? I didnt change this because it looked the same, i went from a 85 cucv to a 88 civilian 6.2, i kept all the military wiring and swapped it all, used the civilian injector pump(same one) but i didnt change these two sensors or the vaccum switch on the pump that sends vaccum to the transmission, help its the only vehicle my St Benard( named Diesel) likes to ride in. Thanks guys.