PeteN
Silver Member
I was able to use my automotive OBD II tool to connect to the MT3. Spent a little time to find the connector. Manual inferred about where it was located. Needed to remove the right lower panel by my HST pedals AND the plastic center kick panel which is where it is located. I don't get why these connectors never have covers on them especially for a vehicle used in a dirty & possibly wet environment. I was able to see the most basic info - engine speed, coolant temp, intake manifold pressure, etc). I was most interested in the coolant temp since my gauge never gets to the halfway point. Looks like at PTO speed (2400rpm) the coolant temp gets up to 170-176 deg F which is where the manual states the thermostat starts to open (and is fully open at 190 deg F). Thought the engine would run a little hotter but I wasn't working it so maybe it might get into the 180's. Anyone else ever document what temp their MT3 is running at? Interestingly enough, with no external load, the engine is under 6psi of boost when at PTO speed.