Quote:
Originally Posted by fonzi
Just curious... is there anything wrong with putting it in a pot of water on the stovetop and watching the temp with an IR temp sensor (or any old thermometer)?
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There is nothing wrong with using two pots of water - hot and cold. But I found it quicker to heat the bulb with a heat gun.
When checking if valve closes at 150F, it is hard to see the valve when submerged in water and not easy to get water to desired temperature, below boiling. But results are same, so use whatever method works for you.
W109Driver - You should locate all the key Djet parts and understand what they do before attempting to tune engine. There are many on-line write-ups on Djetronic Injection. I will add a link to one below. I don't have a W109, but I suspect the ECU (the computer) may be RH side front of engine bay? MPS (Manifold Pressure Sensor is likely on LH side of engine bay just behind ignition coil.
Early Mercedes Bosch D-Jetronic Training manual - Mercedes-Benz Forum
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Graham
85 300D
,72 350SL, 98 E320, Outback 2.5