Forgot to mention, the positive pin at the injectors has 12 volts.

Hi there. My 87 244DL is having trouble idling smoothly. I checked the injector voltage by backprobing them, and was only seeing 0.5-2.0 volts across the terminals. Unplugging them during idle seems to have no effect either. I've even tried backprobing PIN 13 on the ECU, and I have similar readings....

I have an update! I was able to get the sensor disconnected. I couldn't get to the connector from the top, had 3 air pipes and the brake fluid reservoir in the way. What I ended up doing was removing the driver's side wheel and reaching up into the wheel well. I pried the clip off with a flat screwd...

Did you take the plastic covers off the top of the engine? Use a flat screwdriver to depress reach in, depress and release the clip. Engine stabilizer brace sounds like AllData is referring to the upper torque rod. Thanks for the information. I haven't taken the covers off the engine, I'll try that...

Hello! First post here. I'm in the process of replacing the upstream oxygen sensor (bank 2, sensor 1) on my 2002 S80 T6. However, I can't get to the connector for the life of me. From above there are too many components in the way of the connector and from below I can't reach the other side of the c...