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Hacking up Honda's ECU
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PostPosted: Sun Dec 20, 2020 5:27 pm 
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Joined: Sun Dec 20, 2020 5:18 pm
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To be brief, I have replaced the ECU once already with a freshly refurbished one from a local tuning shop. The livedata I'm getting off the P28 through the Snake EMU is telling me the ECT reading is 120°F when connected and the engine is room temperature, when the engine is fully warmed up, fans kicking on, it's reading 134°F. I've already replaced the sensor, but when the sensor is disconnected, it's reading 120° when the sensor wires are shorted to each other, it reads 134°. Resistance values are correct on both sensors. I'm still debating on whether or not the Snake EMU is just junk because it was working initially for a few days. Now for the past couple weeks, it's not, even when the signal wire is cutoff from the rest of the harness at the ecu plug, it's still reading 107°F. I'm completely stumped, I don't think it's a harness issue, I'm getting a very consistent 5.00V at the ECT connector.


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