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I'm pretty sure that disconnecting the battery resets the ECU, despite what the TSB says.
For one, all codes stored in the ECU are reset when the battery is disconnected.
For another, I recently ran out of gas <BLUSH!>, and when the auto club came to rescue me, all they had was regular gas. So when offered the choice of regular unleaded or no gas, I took the former option. Got to the nearest station, topped up with premium, and the next day the car was running like CRAP, the ECU was retarding the engine on standing starts, like the revs would increment a couple of hundred revs, pause, go up another couple of hundred revs, pause, and so forth until it hit about 2000 RPM. Once above that, the power was fine.
I disconnected the battery for 5 minutes, hooked it back up, and the engine has been running smooooothly since.
VK
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